Armitage, James N; Withington, John; van der Meulen, Jan; Cromwell, David A; Glass, Jonathan; Finch, William G; Irving, Stuart O; Burgess, Neil A; (2013) Percutaneous nephrolithotomy in England: practice and outcomes described in the Hospital Episode Statistics database. BJU international, 113 (5). pp. 777-782. ISSN 1464-4096 DOI: https://doi.org/10.1111/bju.12373 Full text not available from this repository.

Atkins, Eleanor; Kellar, Ian; Birmpili, Panagiota; Boyle, Jonathan R; Pherwani, Arun D; Chetter, Ian; Cromwell, David A; (2023) Hospital clinicians' perceptions and experiences of care pathways for chronic limb-threatening ischaemia: a qualitative study. Journal of foot and ankle research, 16 (1). 62-. ISSN 1757-1146 DOI: https://doi.org/10.1186/s13047-023-00664-6

Bamber, JR; Stephens, TJ; Cromwell, DA; Duncan, E; Martin, GP; Quiney, NF; Abercrombie, JF; Beckingham, IJ; Cholecystectomy Quality Improvement Collaborative; (2019) Effectiveness of a quality improvement collaborative in reducing time to surgery for patients requiring emergency cholecystectomy. BJS OPEN, 3 (6). pp. 802-811. ISSN 2474-9842 DOI: https://doi.org/10.1002/bjs5.50221

Bansi-Matharu, L; Gurol-Urganci, I; Mahmood, TA; Templeton, A; van der Meulen, JH; Cromwell, DA; (2013) Rates of subsequent surgery following endometrial ablation among English women with menorrhagia: population-based cohort study. BJOG, 120 (12). pp. 1500-1507. ISSN 1470-0328 DOI: https://doi.org/10.1111/1471-0528.12319 Full text not available from this repository.

Bezzina, Andrew J; Smith, Peter B; Cromwell, David; Eagar, Kathy; (2005) Primary care patients in the emergency department: who are they? A review of the definition of the 'primary care patient' in the emergency department. Emergency medicine Australasia, 17 (5-6). pp. 472-479. ISSN 1742-6731 DOI: https://doi.org/10.1111/j.1742-6723.2005.00779.x Full text not available from this repository.

Bielicki, JA; Cromwell, DA; Johnson, A; Planche, T; Sharland, M; ARPEC project; (2016) Surveillance of Gram-negative bacteria: impact of variation in current European laboratory reporting practice on apparent multidrug resistance prevalence in paediatric bloodstream isolates. European journal of clinical microbiology & infectious diseases, 36 (5). pp. 839-846. ISSN 0934-9723 DOI: https://doi.org/10.1007/s10096-016-2869-4

Bielicki, JA; Cromwell, DA; Sharland, M; (2016) Fifteen-minute consultation: the complexities of empirical antibiotic selection for serious bacterial infections-a practical approach. Archives of disease in childhood Education and practice edition. ISSN 1743-0585 DOI: https://doi.org/10.1136/archdischild-2016-310527

Bielicki, Julia A; Sharland, Mike; Heath, Paul T; Walker, A Sarah; Agarwal, Ramesh; Turner, Paul; Cromwell, David A; (2020) Evaluation of the Coverage of 3 Antibiotic Regimens for Neonatal Sepsis in the Hospital Setting Across Asian Countries. JAMA network open, 3 (2). e1921124-. ISSN 2574-3805 DOI: https://doi.org/10.1001/jamanetworkopen.2019.21124

Bielicki, Julia A; Sharland, Mike; Johnson, Alan P; Henderson, Katherine L; Cromwell, David A; Antibiotic Resistance and Prescribing in European Children proje; (2015) Selecting appropriate empirical antibiotic regimens for paediatric bloodstream infections: application of a Bayesian decision model to local and pooled antimicrobial resistance surveillance data. The Journal of antimicrobial chemotherapy, 71 (3). pp. 794-802. ISSN 0305-7453 DOI: https://doi.org/10.1093/jac/dkv397 Full text not available from this repository.

Bielicki, Julia A; Sharland, Mike; Versporten, Ann; Goossens, Herman; Cromwell, David A; (2018) Using risk adjustment to improve the interpretation of global inpatient pediatric antibiotic prescribing. PloS one, 13 (7). e0199878-. ISSN 1932-6203 DOI: https://doi.org/10.1371/journal.pone.0199878

Birmpili, Panagiota; Atkins, Eleanor; Li, Qiuju; Johal, Amundeep S; Waton, Sam; Williams, Robin; Pherwani, Arun D; Cromwell, David A; (2023) Evaluation of the ICD-10 system in coding revascularisation procedures in patients with peripheral arterial disease in England: A retrospective cohort study using national administrative and clinical databases. EClinicalMedicine, 55. 101738-. ISSN 2589-5370 DOI: https://doi.org/10.1016/j.eclinm.2022.101738

Birmpili, Panagiota; Cromwell, David A; Li, Qiuju; Johal, Amundeep S; Atkins, Eleanor; Waton, Sam; Pherwani, Arun D; Williams, Robin; Richards, Toby; Nandhra, Sandip; (2023) The Impact of Pre-Operative Anaemia on One Year Amputation Free Survival and Re-Admissions in Patients Undergoing Vascular Surgery for Peripheral Arterial Disease: a National Vascular Registry Study. European journal of vascular and endovascular surgery, 66 (2). pp. 204-212. ISSN 1078-5884 DOI: https://doi.org/10.1016/j.ejvs.2023.05.003

Birmpili, Panagiota; Li, Qiuju; Johal, Amundeep S; Atkins, Eleanor; Waton, Sam; Chetter, Ian; Boyle, Jonathan R; Pherwani, Arun D; Cromwell, David A; (2023) Outcomes after minor lower limb amputation for peripheral arterial disease and diabetes: population-based cohort study. The British journal of surgery, 110 (8). pp. 958-965. ISSN 0007-1323 DOI: https://doi.org/10.1093/bjs/znad134

Bragg, Fiona; Cromwell, David A; Edozien, Leroy C; Gurol-Urganci, Ipek; Mahmood, Tahir A; Templeton, Allan; van der Meulen, Jan H; (2010) Variation in rates of caesarean section among English NHS trusts after accounting for maternal and clinical risk: cross sectional study. BMJ, 341 (oct06 ). c5065-. ISSN 1468-5833 DOI: https://doi.org/10.1136/bmj.c5065

Brown, Christian T; Yap, Tet; Cromwell, David A; Rixon, Lorna; Steed, Liz; Mulligan, Kathleen; Mundy, Anthony; Newman, Stanton P; van der Meulen, Jan; Emberton, Mark; (2007) Self management for men with lower urinary tract symptoms: randomised controlled trial. BMJ (Clinical research ed), 334 (7583). 25-. ISSN 0959-8138 DOI: https://doi.org/10.1136/bmj.39010.551319.AE

Chadwick, G; Riley, S; Hardwick, RH; Crosby, T; Hoare, J; Hanna, G; Greenaway, K; Varagunam, M; Cromwell, DA; Groene, O; (2016) Population-based cohort study of the management and survival of patients with early-stage oesophageal adenocarcinoma in England. The British journal of surgery, 103 (5). pp. 544-552. ISSN 0007-1323 DOI: https://doi.org/10.1002/bjs.10116 Full text not available from this repository.

Chadwick, Georgina; Groene, Oliver; Cromwell, David; (2015) Is there nationwide variation in the proportion of oesophago-gastric cancers diagnosed at an early stage? European journal of cancer care, 24. pp. 2-3. ISSN 0961-5423 https://researchonline.lshtm.ac.uk/id/eprint/2221723 Full text not available from this repository.

Chadwick, Georgina; Groene, Oliver; Hoare, Jonathan; Hardwick, Richard H; Riley, Stuart; Crosby, Tom D; Hanna, George B; Cromwell, David A; (2014) A population-based, retrospective, cohort study of esophageal cancer missed at endoscopy. Endoscopy, 46 (7). pp. 553-560. ISSN 0013-726X DOI: https://doi.org/10.1055/s-0034-1365646 Full text not available from this repository.

Chadwick, Georgina; Groene, Oliver; Markar, Sheraz R; Hoare, Jonathan; Cromwell, David; Hanna, George B; (2014) Systematic review comparing radiofrequency ablation and complete endoscopic resection in treating dysplastic Barrett's esophagus: a critical assessment of histologic outcomes and adverse events. Gastrointestinal endoscopy, 79 (5). 718-731.e3. ISSN 0016-5107 DOI: https://doi.org/10.1016/j.gie.2013.11.030 Full text not available from this repository.

Chadwick, Georgina; Groene, Oliver; Riley, Stuart; Hardwick, Richard; Crosby, Tom; Hoare, Jonathan; Hanna, George B; Greenaway, Kimberley; Cromwell, David A; (2015) Gastric Cancers Missed During Endoscopy in England. Clinical gastroenterology and hepatology, 13 (7). 1264-1270.e1. ISSN 1542-3565 DOI: https://doi.org/10.1016/j.cgh.2015.01.025 Full text not available from this repository.

Chadwick, Georgina; Groene, Oliver; Taylor, Angelina; Riley, Stuart; Hardwick, Richard H; Crosby, Tom; Greenaway, Kimberley; Cromwell, David A; (2015) Management of Barrett's high-grade dysplasia: initial results from a population-based national audit. Gastrointestinal endoscopy, 83 (4). 736-42.e1. ISSN 0016-5107 DOI: https://doi.org/10.1016/j.gie.2015.08.020 Full text not available from this repository.

Chadwick, Georgina; Varagunam, Mira; Brand, Christian; Riley, Stuart A; Maynard, Nick; Crosby, Tom; Michalowski, Julie; Cromwell, David A; (2017) Coding of Barrett's oesophagus with high-grade dysplasia in national administrative databases: a population-based cohort study. BMJ open, 7 (6). e014281-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2016-014281

Cowling, Thomas E; Cromwell, David A; Bellot, Alexis; Sharples, Linda D; van der Meulen, Jan; (2021) Logistic regression and machine learning predicted patient mortality from large sets of diagnosis codes comparably. Journal of Clinical Epidemiology, 133. pp. 43-52. ISSN 0895-4356 DOI: https://doi.org/10.1016/j.jclinepi.2020.12.018

Cowling, Thomas E; Cromwell, David A; Sharples, Linda D; van der Meulen, Jan; (2020) A novel approach selected small sets of diagnosis codes with high prediction performance in large healthcare datasets. Journal of Clinical Epidemiology, 128. pp. 20-28. ISSN 0895-4356 DOI: https://doi.org/10.1016/j.jclinepi.2020.08.001

Cox, Suzanne M; Cromwell, David; Mahmood, Tahir; Templeton, Allan; La Corte, Benedetta; van der Meulen, Jan; (2013) The delivery of heavy menstrual bleeding services in England and Wales after publication of national guidelines: a survey of hospitals. BMC health services research, 13 (1). 491-. ISSN 1472-6963 DOI: https://doi.org/10.1186/1472-6963-13-491

Cromwell, DA; (2002) The lore of private health insurance and pressure on public hospitals [Editorial]. Australian health review, 25 (6). pp. 9-11. ISSN 0156-5788 https://researchonline.lshtm.ac.uk/id/eprint/13246 Full text not available from this repository.

Cromwell, DA; Griffiths, DA; (2002) Waiting time information services: how well do different statistics forecast a patient’s wait? Australian health review, 25 (4). pp. 12-22. ISSN 0156-5788 https://researchonline.lshtm.ac.uk/id/eprint/19423 Full text not available from this repository.

Cromwell, DA; Mahmood, TA; Templeton, A; van der Meulen, JH; (2009) Surgery for menorrhagia within English regions: variation in rates of endometrial ablation and hysterectomy. BJOG, 116 (10). pp. 1373-1379. ISSN 1470-0328 DOI: https://doi.org/10.1111/j.1471-0528.2009.02284.x Full text not available from this repository.

Cromwell, David A; (2004) Waiting time information services: an evaluation of how well clearance time statistics can forecast a patient's wait. Social science & medicine (1982), 59 (9). pp. 1937-1948. ISSN 0277-9536 DOI: https://doi.org/10.1016/j.socscimed.2004.02.027 Full text not available from this repository.

Cromwell, David A; Eagar, Kathy; Poulos, Roslyn G; (2003) The performance of instrumental activities of daily living scale in screening for cognitive impairment in elderly community residents. Journal of clinical epidemiology, 56 (2). pp. 131-137. ISSN 0895-4356 DOI: https://doi.org/10.1016/s0895-4356(02)00599-1 Full text not available from this repository.

Cromwell, David A; Griffiths, David A; Kreis, Irene A; (2002) Surgery dot.com: the quality of information disseminated by Web-based waiting time information services. The Medical journal of Australia, 177 (5). pp. 253-255. ISSN 0025-729X DOI: https://doi.org/10.5694/j.1326-5377.2002.tb04758.x Full text not available from this repository.

Cromwell, David A; Knight, Hannah E; Gurol-Urganci, Ipek; (2014) Parity derived for pregnant women using historical administrative hospital data: accuracy varied among patient groups. Journal of clinical epidemiology, 67 (5). pp. 578-585. ISSN 0895-4356 DOI: https://doi.org/10.1016/j.jclinepi.2013.10.011 Full text not available from this repository.

Cromwell, David A; Mays, Nicholas; (2012) The NHS outcomes framework 2012-3. BMJ (Clinical research ed), 344 (feb17 ). e1080-. ISSN 0959-8138 DOI: https://doi.org/10.1136/bmj.e1080

Cromwell, David; Griffiths, David; (2002) Waiting time information services: what are the implications of waiting list behaviour for their design? Australian health review, 25 (4). pp. 40-49. ISSN 0156-5788 DOI: https://doi.org/10.1071/ah020040a Full text not available from this repository.

Cromwell, David; Hilton, Paul; (2013) Retrospective cohort study on patterns of care and outcomes of surgical treatment for lower urinary-genital tract fistula among English National Health Service hospitals between 2000 and 2009. BJU international, 111 (4 Pt B). E257-E262. ISSN 1464-4096 DOI: https://doi.org/10.1111/j.1464-410X.2012.11483.x Full text not available from this repository.

Cromwell, David; Joffe, Tracey; Hughes, Rhona; Murphy, Deirdre; Dhillon, Charnjit; van der Meulen, Jan; (2008) The local adaptation of national recommendations for preventing early-onset neonatal Group B Streptococcal disease in UK maternity units. Journal of health services research & policy, 13 Sup (2_supp). pp. 52-57. ISSN 1355-8196 DOI: https://doi.org/10.1258/jhsrp.2007.007144 Full text not available from this repository.

Dodwell, David; Jauhari, Yasmin; Gathani, Toral; Cromwell, David; Gannon, Melissa; Clements, Karen; Horgan, Kieran; (2020) Treatment variation in early breast cancer in the UK. BMJ-BRITISH MEDICAL JOURNAL, 371. m4237-. ISSN 1756-1833 DOI: https://doi.org/10.1136/bmj.m4237

Eagar, K; Cromwell, DA; Owen, A; Senior, K; Gordon, R; Green, J; (2003) Health Services Research and Development in Practice: an Australian experience. Journal of health services research & policy, 8 (Suppl). S7-S13. ISSN 1355-8196 https://researchonline.lshtm.ac.uk/id/eprint/19424 Full text not available from this repository.

Edozien, LC; Gurol-Urganci, I; Cromwell, DA; Adams, EJ; Richmond, DH; Mahmood, TA; van der Meulen, JH; (2014) Impact of third- and fourth-degree perineal tears at first birth on subsequent pregnancy outcomes: a cohort study. BJOG, 121 (13). pp. 1695-1703. ISSN 1470-0328 DOI: https://doi.org/10.1111/1471-0528.12886 Full text not available from this repository.

Eugene, N; Oliver, CM; Bassett, MG; Poulton, TE; Kuryba, A; Johnston, C; Anderson, ID; Moonesinghe, SR; Grocott, MP; Murray, DM; +3 more... Cromwell, DA; Walker, K; NELA collaboration; (2018) Development and internal validation of a novel risk adjustment model for adult patients undergoing emergency laparotomy surgery: the National Emergency Laparotomy Audit risk model. British journal of anaesthesia, 121 (4). pp. 739-748. ISSN 0007-0912 DOI: https://doi.org/10.1016/j.bja.2018.06.026 Full text not available from this repository.

Fischer, C; Lingsma, H; Hardwick, R; Cromwell, DA; Steyerberg, E; Groene, O; (2015) Risk adjustment models for short-term outcomes after surgical resection for oesophagogastric cancer. The British journal of surgery, 103 (1). pp. 105-116. ISSN 0007-1323 DOI: https://doi.org/10.1002/bjs.9968

Fischer, Claudia; Lingsma, Hester; Klazinga, Niek; Hardwick, Richard; Cromwell, David; Steyerberg, Ewout; Groene, Oliver; (2017) Volume-outcome revisited: The effect of hospital and surgeon volumes on multiple outcome measures in oesophago-gastric cancer surgery. PloS one, 12 (10). e0183955-. ISSN 1932-6203 DOI: https://doi.org/10.1371/journal.pone.0183955

Fowler, Alexander J; Wahedally, MA Hussein; Abbott, Tom EF; Smuk, Melanie; Prowle, John R; Pearse, Rupert M; Cromwell, David A; (2022) Death after surgery among patients with chronic disease: prospective study of routinely collected data in the English NHS. BRITISH JOURNAL OF ANAESTHESIA, 128 (2). pp. 333-342. ISSN 0007-0912 DOI: https://doi.org/10.1016/j.bja.2021.11.011

Gannon, MR; Dodwell, D; Miller, K; Horgan, K; Clements, K; Medina, J; Kunkler, I; Cromwell, DA; (2022) Change in the Use of Fractionation in Radiotherapy Used for Early Breast Cancer at the Start of the COVID-19 Pandemic: A Population-Based Cohort Study of Older Women in England and Wales. Clinical oncology (Royal College of Radiologists (Great Britain)), 34 (9). e400-e409. ISSN 0936-6555 DOI: https://doi.org/10.1016/j.clon.2022.05.019

Gannon, Melissa Ruth; Dodwell, David; Aggarwal, Ajay; Park, Min Hae; Miller, Katie; Horgan, Kieran; Clements, Karen; Medina, Jibby; Cromwell, David Alan; (2023) Evidence into practice: a national cohort study of NICE-recommended oncological drug therapy utilisation among women diagnosed with invasive breast cancer in England. British journal of cancer, 129 (10). pp. 1569-1579. ISSN 0007-0920 DOI: https://doi.org/10.1038/s41416-023-02439-z

Gannon, Melissa Ruth; Dodwell, David; Jauhari, Yasmin; Horgan, Kieran; Clements, Karen; Medina, Jibby; Cromwell, David Alan; (2020) Initiation of adjuvant chemotherapy and trastuzumab for human epidermal growth receptor 2-positive early invasive breast cancer in a population-based cohort study of older women in England. J Geriatr Oncol, 11 (5). pp. 836-842. ISSN 1879-4068 DOI: https://doi.org/10.1016/j.jgo.2020.01.005

Gannon, Melissa Ruth; Dodwell, David; Miller, Katie; Medina, Jibby; Clements, Karen; Horgan, Kieran; Park, Min Hae; Cromwell, David Alan; (2024) Survival following adjuvant trastuzumab-based treatment among older patients with HER2-positive early invasive breast cancer: A national population-based cohort study using routine data. European journal of cancer (Oxford, England : 1990), 211. 114309-. ISSN 0959-8049 DOI: https://doi.org/10.1016/j.ejca.2024.114309

Gannon, Melissa Ruth; Park, Min Hae; Miller, Katie; Dodwell, David; Horgan, Kieran; Clements, Karen; Medina, Jibby; Cromwell, David Alan; (2023) Concordance of cancer drug therapy information derived from routinely collected hospital admissions data and the Systemic Anti-Cancer Therapy (SACT) dataset, for older women diagnosed with early invasive breast cancer in England. Cancer epidemiology, 83. 102337-. ISSN 1877-7821 DOI: https://doi.org/10.1016/j.canep.2023.102337

Geary, RS; Knight, HE; Carroll, FE; Gurol-Urganci, I; Morris, E; Cromwell, DA; van der Meulen, JH; (2017) A step-wise approach to developing indicators to compare the performance of maternity units using hospital administrative data. BJOG, 125 (7). pp. 857-865. ISSN 1470-0328 DOI: https://doi.org/10.1111/1471-0528.15013

Geary, Rebecca Sally; Gurol-Urganci, Ipek; Kiran, Amit; Cromwell, David A; Bansi-Matharu, Loveleen; Shakespeare, Judy; Mahmood, Tahir; van der Meulen, Jan; (2019) Factors associated with receiving surgical treatment for menorrhagia in England and Wales: findings from a cohort study of the National Heavy Menstrual Bleeding Audit. BMJ open, 9 (2). e024260-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2018-024260

Grieve, Richard; Hutchings, Andrew; Moler Zapata, Silvia; O’Neill, Stephen; Lugo-Palacios, David G; Silverwood, Richard; Cromwell, David; Kircheis, Tommaso; Silver, Elizabeth; Snowdon, Claire; +6 more... Charlton, Paul; Bellingan, Geoff; Moonesinghe, Ramani; Keele, Luke; Smart, Neil; Hinchliffe, Robert; (2023) Clinical effectiveness and cost-effectiveness of emergency surgery for adult emergency hospital admissions with common acute gastrointestinal conditions: the ESORT study. Health and Social Care Delivery Research, 11 (1). pp. 1-132. ISSN 2755-0060 DOI: https://doi.org/10.3310/czfl0619

Groene, Oliver; Chadwick, Georgina; Riley, Stuart; Hardwick, Richard H; Crosby, Tom; Greenaway, Kimberley; Allum, William; Cromwell, David A; (2014) Re-organisation of oesophago-gastric cancer services in England and Wales: a follow-up assessment of progress and remaining challenges. BMC research notes, 7 (1). 24-. ISSN 1756-0500 DOI: https://doi.org/10.1186/1756-0500-7-24

Groene, Oliver; Crosby, Tom; Hardwick, Richard Henry; Riley, Stuart; Greenaway, Kimberley; Cromwell, David; (2015) A population-based observational study on the factors associated with the completion of palliative chemotherapy among patients with oesophagogastric cancer. BMJ open, 5 (3). e006724-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2014-006724

Gurol-Urganci, I; Bansi-Matharu, L; Mahmood, T; Templeton, A; van der Meulen, J; Cromwell, D; (2014) Authors' reply: Rates of subsequent surgery following endometrial ablation among English women with menorrhagia: population-based cohort study. BJOG, 121 (10). pp. 1316-1317. ISSN 1470-0328 DOI: https://doi.org/10.1111/1471-0528.12864 Full text not available from this repository.

Gurol-Urganci, I; Bou-Antoun, S; Lim, CP; Cromwell, DA; Mahmood, TA; Templeton, A; van der Meulen, JH; (2013) Impact of Caesarean section on subsequent fertility: a systematic review and meta-analysis. Human reproduction (Oxford, England), 28 (7). pp. 1943-1952. ISSN 0268-1161 DOI: https://doi.org/10.1093/humrep/det130 Full text not available from this repository.

Gurol-Urganci, I; Cromwell, DA; Edozien, LC; Mahmood, TA; Adams, EJ; Richmond, DH; Templeton, A; van der Meulen, JH; (2013) Third- and fourth-degree perineal tears among primiparous women in England between 2000 and 2012: time trends and risk factors. BJOG, 120 (12). pp. 1516-1525. ISSN 1470-0328 DOI: https://doi.org/10.1111/1471-0528.12363 Full text not available from this repository.

Gurol-Urganci, I; Cromwell, DA; Mahmood, TA; van der Meulen, JH; Templeton, A; (2014) A population-based cohort study of the effect of Caesarean section on subsequent fertility. Human reproduction (Oxford, England), 29 (6). pp. 1320-1326. ISSN 0268-1161 DOI: https://doi.org/10.1093/humrep/deu057 Full text not available from this repository.

Gurol-Urganci, Ipek; Cromwell, David A; Edozien, Leroy C; Onwere, Chidimma; Mahmood, Tahir A; van der Meulen, Jan H; (2011) The timing of elective caesarean delivery between 2000 and 2009 in England. BMC pregnancy and childbirth, 11 (1). 43-. ISSN 1471-2393 DOI: https://doi.org/10.1186/1471-2393-11-43

Gurol-Urganci, Ipek; Cromwell, David A; Edozien, Leroy C; Smith, Gordon CS; Onwere, Chidimma; Mahmood, Tahir A; Templeton, Allan; van der Meulen, Jan H; (2011) Risk of placenta previa in second birth after first birth cesarean section: a population-based study and meta-analysis. BMC pregnancy and childbirth, 11 (1). 95-. ISSN 1471-2393 DOI: https://doi.org/10.1186/1471-2393-11-95

Harron, Katie L; Doidge, James C; Knight, Hannah E; Gilbert, Ruth E; Goldstein, Harvey; Cromwell, David A; van der Meulen, Jan H; (2017) A guide to evaluating linkage quality for the analysis of linked data. International journal of epidemiology, 46 (5). pp. 1699-1710. ISSN 0300-5771 DOI: https://doi.org/10.1093/ije/dyx177

Harron, Katie; Gilbert, Ruth; Cromwell, David; Oddie, Sam; Guttmann, Astrid; van der Meulen, Jan; (2017) International comparison of emergency hospital use for infants: data linkage cohort study in Canada and England. BMJ quality & safety, 27 (1). pp. 31-39. ISSN 2044-5415 DOI: https://doi.org/10.1136/bmjqs-2016-006253

Harron, Katie; Gilbert, Ruth; Cromwell, David; Oddie, Sam; van der Meulen, Jan; (2017) Newborn Length of Stay and Risk of Readmission. Paediatric and perinatal epidemiology, 31 (3). pp. 221-232. ISSN 0269-5022 DOI: https://doi.org/10.1111/ppe.12359

Harron, Katie; Gilbert, Ruth; Cromwell, David; van der Meulen, Jan; (2016) Linking Data for Mothers and Babies in De-Identified Electronic Health Data. PloS one, 11 (10). e0164667-. ISSN 1932-6203 DOI: https://doi.org/10.1371/journal.pone.0164667

Heikkila, K; Loftus, IM; Mitchell, DC; Johal, AS; Waton, S; Cromwell, DA; (2018) Population-based study of mortality and major amputation following lower limb revascularization. The British journal of surgery, 105 (9). pp. 1145-1154. ISSN 0007-1323 DOI: https://doi.org/10.1002/bjs.10823

Heikkila, Katriina; Mitchell, David C; Loftus, Ian M; Johal, Amundeep S; Waton, Sam; Cromwell, David A; (2018) Improving 1-Year Outcomes of Infrainguinal Limb Revascularization: Population-Based Cohort Study of 104 000 Patients in England. Circulation, 137 (18). pp. 1921-1933. ISSN 0009-7322 DOI: https://doi.org/10.1161/CIRCULATIONAHA.117.029834

Heikkilä, Katriina; Loftus, Ian M; Waton, Sam; Johal, Amundeep S; Boyle, Jonathan R; Cromwell, David A; (2020) Association of neighbourhood deprivation with risks of major amputation and death following lower limb revascularisation. Atherosclerosis, 306. pp. 11-14. ISSN 0021-9150 DOI: https://doi.org/10.1016/j.atherosclerosis.2020.06.017

Herbert, Annie; Wijlaars, Linda; Zylbersztejn, Ania; Cromwell, David; Hardelid, Pia; (2017) Data Resource Profile: Hospital Episode Statistics Admitted Patient Care (HES APC). International journal of epidemiology, 46 (4). 1093-1093i. ISSN 0300-5771 DOI: https://doi.org/10.1093/ije/dyx015

Hilton, P; Cromwell, DA; (2012) The risk of vesicovaginal and urethrovaginal fistula after hysterectomy performed in the English National Health Service--a retrospective cohort study examining patterns of care between 2000 and 2008. BJOG, 119 (12). pp. 1447-1454. ISSN 1470-0328 DOI: https://doi.org/10.1111/j.1471-0528.2012.03474.x Full text not available from this repository.

Hutchings, A; O'Neill, S; Lugo-Palacios, D; Moler Zapata, S; Silverwood, R; Cromwell, D; Keele, L; Bellingan, G; Moonesinghe, SR; Smart, N; +2 more... Hinchliffe, R; Grieve, R; (2022) Effectiveness of emergency surgery for five common acute conditions: an instrumental variable analysis of a national routine database. Anaesthesia, 77 (8). pp. 865-881. ISSN 0003-2409 DOI: https://doi.org/10.1111/anae.15730

Hutchings, Andrew; Moler Zapata, Silvia; O'Neill, Stephen; Smart, Neil; Cromwell, David; Hinchliffe, Robert; Grieve, Richard; (2021) Variation in the rates of emergency surgery amongst emergency admissions to hospital for common acute conditions. BJS open, 5 (6). ISSN 2474-9842 DOI: https://doi.org/10.1093/bjsopen/zrab094

Hutchings, Andrew; Moonesinghe, Ramani; Moler Zapata, Silvia; Cromwell, David; Bellingan, Geoff; Vohra, Ravinder; Moug, Susan; Smart, Neil; Hinchliffe, Robert; Grieve, Richard; (2022) Impact of the first wave of COVID-19 on outcomes following emergency admissions for common acute surgical conditions: analysis of a national database in England. British Journal of Surgery, 109 (10). pp. 984-994. ISSN 0007-1323 DOI: https://doi.org/10.1093/bjs/znac233

Jauhari, Y; Gannon, MR; Dodwell, D; Horgan, K; Clements, K; Medina, J; Cromwell, DA; (2021) Surgical decisions in older women with early breast cancer: patient and disease factors. British journal of surgery, 108 (2). pp. 160-167. ISSN 0007-1323 DOI: https://doi.org/10.1093/bjs/znaa042

Jauhari, Yasmin; Dodwell, David; Gannon, Melissa Ruth; Horgan, Kieran; Clements, Karen; Medina, Jibby; Cromwell, David Alan; (2021) The influence of age, comorbidity and frailty on treatment with surgery and systemic therapy in older women with operable triple negative breast cancer (TNBC) in England: A population-based cohort study. European Journal of Surgical Oncology, 47 (2). pp. 251-260. ISSN 0748-7983 DOI: https://doi.org/10.1016/j.ejso.2020.09.022

Jauhari, Yasmin; Gannon, Melissa Ruth; Dodwell, David; Horgan, Kieran; Clements, Karen; Medina, Jibby; Tsang, Carmen; Robinson, Thompson; Tang, Sarah Shuk-Kay; Pettengell, Ruth; +1 more... Cromwell, David A; (2020) Construction of the secondary care administrative records frailty (SCARF) index and validation on older women with operable invasive breast cancer in England and Wales: a cohort study. BMJ open, 10 (5). e035395-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2019-035395

Jauhari, Yasmin; Gannon, Melissa Ruth; Dodwell, David; Horgan, Kieran; Tsang, Carmen; Clements, Karen; Medina, Jibby; Tang, Sarah; Pettengell, Ruth; Cromwell, David Alan; (2019) Addressing frailty in patients with breast cancer: A review of the literature. European Journal of Surgical Oncology, 46 (1). pp. 24-32. ISSN 0748-7983 DOI: https://doi.org/10.1016/j.ejso.2019.08.011

Jauhari, Yasmin; Gannon, Melissa Ruth; Tsang, Carmen; Horgan, Kieran; Dodwell, David; Clements, Karen; Medina, Jibby; Tang, Sarah; Pettengell, Ruth; Cromwell, David Alan; (2019) Surgery and adjuvant radiotherapy for unilateral ductal carcinoma in situ (DCIS) in women aged over 70 years: A population based cohort study. European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology, 45 (8). pp. 1378-1387. ISSN 0748-7983 DOI: https://doi.org/10.1016/j.ejso.2019.02.034

Jeevan, R; Browne, JP; Gulliver-Clarke, C; Pereira, J; Caddy, CM; van der Meulen, JH; Cromwell, DA; (2017) Association between age and access to immediate breast reconstruction in women undergoing mastectomy for breast cancer. The British journal of surgery, 104 (5). pp. 555-561. ISSN 0007-1323 DOI: https://doi.org/10.1002/bjs.10453

Jeevan, R; Browne, JP; Gulliver-Clarke, C; Pereira, J; Caddy, CM; van der Meulen, JHP; Cromwell, DA; (2017) Surgical Determinants of Patient-Reported Outcomes following Postmastectomy Reconstruction in Women with Breast Cancer. Plastic and reconstructive surgery, 139 (5). 1036e-1045e. ISSN 0032-1052 DOI: https://doi.org/10.1097/PRS.0000000000003236

Jeevan, R; Browne, JP; Pereira, J; Caddy, CM; Sheppard, C; van der Meulen, JHP; Cromwell, DA; (2015) Socioeconomic deprivation and inpatient complication rates following mastectomy and breast reconstruction surgery. The British journal of surgery, 102 (9). pp. 1064-1070. ISSN 0007-1323 DOI: https://doi.org/10.1002/bjs.9847 Full text not available from this repository.

Jeevan, R; Cromwell, DA; Browne, JP; Trivella, M; Pereira, J; Caddy, CM; Sheppard, C; van der Meulen, JHP; (2010) Regional variation in use of immediate breast reconstruction after mastectomy for breast cancer in England. European journal of surgical oncology, 36 (8). pp. 750-755. ISSN 0748-7983 DOI: https://doi.org/10.1016/j.ejso.2010.06.008 Full text not available from this repository.

Jeevan, R; Cromwell, DA; Trivella, M; Lawrence, G; Kearins, O; Pereira, J; Sheppard, C; Caddy, CM; van der Meulen, JHP; (2012) Reoperation rates after breast conserving surgery for breast cancer among women in England: retrospective study of hospital episode statistics. BMJ (Clinical research ed), 345 (jul12 ). e4505-. ISSN 0959-8138 DOI: https://doi.org/10.1136/bmj.e4505

Jeevan, R; Mennie, JC; Mohanna, PN; O'Donoghue, JM; Rainsbury, RM; Cromwell, DA; (2016) National trends and regional variation in immediate breast reconstruction rates. The British journal of surgery, 103 (9). pp. 1147-1156. ISSN 0007-1323 DOI: https://doi.org/10.1002/bjs.10161

Jeevan, Ranjeet; Cromwell, David A; Browne, John P; Caddy, Christopher M; Pereira, Jerome; Sheppard, Carmel; Greenaway, Kimberley; van der Meulen, Jan HP; (2014) Findings of a national comparative audit of mastectomy and breast reconstruction surgery in England. Journal of plastic, reconstructive & aesthetic surgery, 67 (10). pp. 1333-1344. ISSN 1748-6815 DOI: https://doi.org/10.1016/j.bjps.2014.04.022 Full text not available from this repository.

Johal, A; Mitchell, D; Lees, T; Cromwell, D; van der Meulen, J; (2012) Use of Hospital Episode Statistics to investigate abdominal aortic aneurysm surgery. The British journal of surgery, 99 (1). pp. 66-72. ISSN 0007-1323 DOI: https://doi.org/10.1002/bjs.7772 Full text not available from this repository.

Johal, AS; Loftus, IM; Boyle, JR; Heikkila, K; Waton, S; Cromwell, DA; (2019) Long-term survival after endovascular and open repair of unruptured abdominal aortic aneurysm. BRITISH JOURNAL OF SURGERY, 106 (13). pp. 1784-1793. ISSN 0007-1323 DOI: https://doi.org/10.1002/bjs.11215

Kiran, A; Hilton, P; Cromwell, DA; (2015) The risk of ureteric injury associated with hysterectomy: a 10-year retrospective cohort study. BJOG, 123 (7). pp. 1184-1191. ISSN 1470-0328 DOI: https://doi.org/10.1111/1471-0528.13576 Full text not available from this repository.

Kiran, Amit; Geary, Rebecca Sally; Gurol-Urganci, Ipek; Cromwell, David A; Bansi-Matharu, Loveleen; Shakespeare, Judy; Mahmood, Tahir; van der Meulen, Jan; (2018) Sociodemographic differences in symptom severity and duration among women referred to secondary care for menorrhagia in England and Wales: a cohort study from the National Heavy Menstrual Bleeding Audit. BMJ open, 8 (2). e018444-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2017-018444

Knight, HE; Gurol-Urganci, I; van der Meulen, JH; Mahmood, TA; Richmond, DH; Dougall, A; Cromwell, DA; (2013) Vaginal birth after caesarean section: a cohort study investigating factors associated with its uptake and success. BJOG, 121 (2). pp. 183-192. ISSN 1470-0328 DOI: https://doi.org/10.1111/1471-0528.12508 Full text not available from this repository.

Knight, Hannah E; Cromwell, David A; Gurol-Urganci, Ipek; Harron, Katie; van der Meulen, Jan H; Smith, Gordon CS; (2017) Perinatal mortality associated with induction of labour versus expectant management in nulliparous women aged 35 years or over: An English national cohort study. PLoS medicine, 14 (11). e1002425-. ISSN 1549-1277 DOI: https://doi.org/10.1371/journal.pmed.1002425

Knight, Hannah E; Gurol-Urganci, Ipek; Mahmood, Tahir A; Templeton, Allan; Richmond, David; van der Meulen, Jan H; Cromwell, David A; (2013) Evaluating maternity care using national administrative health datasets: how are statistics affected by the quality of data on method of delivery? BMC health services research, 13 (1). 200-. ISSN 1472-6963 DOI: https://doi.org/10.1186/1472-6963-13-200

Knight, Hannah E; van der Meulen, Jan H; Gurol-Urganci, Ipek; Smith, Gordon C; Kiran, Amit; Thornton, Steve; Richmond, David; Cameron, Alan; Cromwell, David A; (2016) Birth "Out-of-Hours": An Evaluation of Obstetric Practice and Outcome According to the Presence of Senior Obstetricians on the Labour Ward. PLoS medicine, 13 (4). e1002000-. ISSN 1549-1277 DOI: https://doi.org/10.1371/journal.pmed.1002000

Knight, Hannah Ellin; Oddie, Sam J; Harron, Katie L; Aughey, Harriet K; van der Meulen, Jan H; Gurol-Urganci, Ipek; Cromwell, David A; (2018) Establishing a composite neonatal adverse outcome indicator using English hospital administrative data. Archives of disease in childhood. Fetal and neonatal edition, 104 (5). F502-F509. ISSN 1359-2998 DOI: https://doi.org/10.1136/archdischild-2018-315147

Li, Qiuju; Birmpili, Panagiota; Atkins, Eleanor; Johal, Amundeep S; Waton, Sam; Williams, Robin; Boyle, Jonathan R; Harkin, Denis W; Pherwani, Arun D; Cromwell, David A; (2024) Illness Trajectories After Revascularization in Patients With Peripheral Artery Disease: A Unified Approach to Understanding the Risk of Major Amputation and Death. Circulation, 150 (4). pp. 261-271. ISSN 0009-7322 DOI: https://doi.org/10.1161/CIRCULATIONAHA.123.067687

Li, Qiuju; Birmpili, Panagiota; Johal, Amundeep S; Waton, Sam; Pherwani, Arun D; Boyle, Jonathan R; Cromwell, David A; (2022) Delays to revascularization for patients with chronic limb-threatening ischaemia. British Journal of Surgery, 109 (8). pp. 717-726. ISSN 0007-1323 DOI: https://doi.org/10.1093/bjs/znac109

Loftus, IM; Paraskevas, KI; Johal, A; Waton, S; Heikkila, K; Naylor, AR; Cromwell, DA; (2016) Delays to Surgery and Procedural Risks Following Carotid Endarterectomy in the UK National Vascular Registry. European journal of vascular and endovascular surgery, 52 (4). pp. 438-443. ISSN 1078-5884 DOI: https://doi.org/10.1016/j.ejvs.2016.05.031

Lowe, David; Cromwell, David A; Lewsey, James D; Copley, Lynn P; Brown, Peter; Yung, Matthew; van der Meulen, Jan H; (2009) Diathermy power settings as a risk factor for hemorrhage after tonsillectomy. Otolaryngology--head and neck surgery, 140 (1). pp. 23-28. ISSN 0194-5998 DOI: https://doi.org/10.1016/j.otohns.2008.08.025 Full text not available from this repository.

Lowe, David; van der Meulen, Jan; Cromwell, David; Lewsey, James; Copley, Lynn; Browne, John; Yung, Matthew; Brown, Peter; (2007) Key messages from the National Prospective Tonsillectomy Audit. The Laryngoscope, 117 (4). pp. 717-724. ISSN 0023-852X DOI: https://doi.org/10.1097/mlg.0b013e318031f0b0 Full text not available from this repository.

Mamza, Jil B; Geary, Rebecca S; El-Hamamsy, Dina; Cromwell, David A; Duckett, Jonathan; Monga, Ash; Toozs-Hobson, Philip; Mahmood, Tahir; Wilson, Andrew; Tincello, Douglas G; +2 more... van der Meulen, Jan H; Gurol Urganci, Ipek; (2019) Geographical variation in rates of surgical treatment for female stress urinary incontinence in England: a national cohort study. BMJ open, 9 (8). e029878-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2019-029878

Mennie, JC; Mohanna, PN; O'Donoghue, JM; Rainsbury, R; Cromwell, DA; (2016) National trends in immediate and delayed post-mastectomy reconstruction procedures in England: A seven-year population-based cohort study. European journal of surgical oncology. ISSN 0748-7983 DOI: https://doi.org/10.1016/j.ejso.2016.09.019

Mennie, Joanna C; Mohanna, Pari-Naz; O'Donoghue, Joe M; Rainsbury, Richard; Cromwell, David A; (2015) Donor-Site Hernia Repair in Abdominal Flap Breast Reconstruction: A Population-Based Cohort Study of 7929 Patients. Plastic and reconstructive surgery, 136 (1). pp. 1-9. ISSN 0032-1052 DOI: https://doi.org/10.1097/PRS.0000000000001398 Full text not available from this repository.

Mennie, Joanna C; Mohanna, Pari-Naz; O'Donoghue, Joseph M; Rainsbury, Richard; Cromwell, David A; (2016) The Proportion of Women Who Have a Breast 4 Years after Breast Cancer Surgery: A Population-Based Cohort Study. PloS one, 11 (5). e0153704-. ISSN 1932-6203 DOI: https://doi.org/10.1371/journal.pone.0153704

Miller, K; Gannon, M; Medina, J; Clements, K; Dodwell, D; Horgan, K; Cromwell, D; (2020) Surgery of the primary tumour in women with metastatic breast cancer at diagnosis in England and Wales – how do treatment rates vary at an individual and regional level? European Journal of Cancer, 138. S116-S117. ISSN 0959-8049 DOI: https://doi.org/10.1016/s0959-8049(20)30850-9

Miller, K; Gannon, MR; Medina, J; Clements, K; Dodwell, D; Horgan, K; Park, MH; Cromwell, DA; (2023) The Association Between Survival and Receipt of Post-mastectomy Radiotherapy According to Age at Diagnosis Among Women With Early Invasive Breast Cancer: A Population-Based Cohort Study. Clinical oncology, 35 (4). e265-e277. ISSN 0936-6555 DOI: https://doi.org/10.1016/j.clon.2023.01.008

Miller, Katie; Gannon, Melissa Ruth; Medina, Jibby; Clements, Karen; Dodwell, David; Horgan, Kieran; Park, Min Hae; Cromwell, David Alan; (2023) Mastectomy patterns among older women with early invasive breast cancer in England and Wales: A population-based cohort study. Journal of geriatric oncology, 14 (8). 101653-. ISSN 1879-4068 DOI: https://doi.org/10.1016/j.jgo.2023.101653

Miller, Katie; Kreis, Irene A; Gannon, Melissa R; Medina, Jibby; Clements, Karen; Horgan, Kieran; Dodwell, David; Park, Min Hae; Cromwell, David A; (2022) The association between guideline adherence, age and overall survival among women with non-metastatic breast cancer: A systematic review. Cancer Treatment Reviews, 104. 102353-. ISSN 0305-7372 DOI: https://doi.org/10.1016/j.ctrv.2022.102353

Moler-Zapata, Silvia; Grieve, Richard; Lugo-Palacios, David; Hutchings, A; Silverwood, R; Keele, Luke; Kircheis, Tommaso; Cromwell, David; Smart, Neil; Hinchliffe, Robert; +1 more... O'Neill, Stephen; (2022) Local Instrumental Variable Methods to Address Confounding and Heterogeneity when Using Electronic Health Records: An Application to Emergency Surgery. Medical decision making, 42 (8). pp. 1010-1026. ISSN 0272-989X DOI: https://doi.org/10.1177/0272989X221100799

Neuburger, J; Currie, C; Wakeman, R; Georghiou, T; Boulton, C; Johansen, A; Tsang, C; Wilson, H; Cromwell, DA; Jan van der Meulen; (2018) Safe working in a 7-day service. Experience of hip fracture care as documented by the UK National Hip Fracture Database. Age and ageing. ISSN 0002-0729 DOI: https://doi.org/10.1093/ageing/afy074

Neuburger, Jenny; Cromwell, David A; Hutchings, Andrew; Black, Nick; van der Meulen, Jan H; (2011) Funnel plots for comparing provider performance based on patient-reported outcome measures. BMJ quality & safety, 20 (12). pp. 1020-1026. ISSN 2044-5415 DOI: https://doi.org/10.1136/bmjqs-2011-000197

Neuburger, Jenny; Currie, Colin; Wakeman, Robert; Johansen, Antony; Tsang, Carmen; Plant, Fay; Wilson, Helen; Cromwell, David A; van der Meulen, Jan; De Stavola, Bianca; (2016) Increased orthogeriatrician involvement in hip fracture care and its impact on mortality in England. Age and ageing, 46 (2). pp. 187-192. ISSN 0002-0729 DOI: https://doi.org/10.1093/ageing/afw201

Neuburger, Jenny; Currie, Colin; Wakeman, Robert; Tsang, Carmen; Plant, Fay; De Stavola, Bianca; Cromwell, David A; van der Meulen, Jan; (2015) The impact of a national clinician-led audit initiative on care and mortality after hip fracture in England: an external evaluation using time trends in non-audit data. Medical care, 53 (8). pp. 686-691. ISSN 0025-7079 DOI: https://doi.org/10.1097/MLR.0000000000000383

Neuburger, Jenny; Harding, Karen A; Bradley, Rachel JD; Cromwell, David A; Gregson, Celia L; (2014) Variation in access to community rehabilitation services and length of stay in hospital following a hip fracture: a cross-sectional study. BMJ open, 4 (9). e005469-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2014-005469

Neuburger, Jenny; Macneill, Fiona; Jeevan, Ranjeet; van der Meulen, Jan HP; Cromwell, David A; (2013) Trends in the use of bilateral mastectomy in England from 2002 to 2011: retrospective analysis of hospital episode statistics. BMJ open, 3 (8). e003179-e003179. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2013-003179

Neuburger, Jenny; Walker, Kate; Sherlaw-Johnson, Chris; van der Meulen, Jan; Cromwell, David A; (2017) Comparison of control charts for monitoring clinical performance using binary data. BMJ quality & safety, 26 (11). pp. 919-928. ISSN 2044-5415 DOI: https://doi.org/10.1136/bmjqs-2016-005526

Onwere, Chidimma; Gurol-Urganci, Ipek; Cromwell, David A; Mahmood, Tahir A; Templeton, Allan; van der Meulen, Jan H; (2011) Maternal morbidity associated with placenta praevia among women who had elective caesarean section. European journal of obstetrics, gynecology, and reproductive biology, 159 (1). pp. 62-66. ISSN 0301-2115 DOI: https://doi.org/10.1016/j.ejogrb.2011.07.008 Full text not available from this repository.

Palser, Thomas R; Cromwell, David A; Hardwick, Richard H; Riley, Stuart A; Greenaway, Kimberley; Allum, William; van der Meulen, Jan Hp; (2009) Re-organisation of oesophago-gastric cancer care in England: progress and remaining challenges. BMC health services research, 9 (1). 204-. ISSN 1472-6963 DOI: https://doi.org/10.1186/1472-6963-9-204

Palser, Thomas R; Cromwell, David A; Hardwick, Richard H; Riley, Stuart A; Greenaway, Kimberley; van der Meulen, Jan HP; National Oesophago-Gastric Cancer Audit; (2013) Impact of route to diagnosis on treatment intent and 1-year survival in patients diagnosed with oesophagogastric cancer in England: a prospective cohort study. BMJ open, 3 (2). e002129-e002129. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2012-002129

Park, Daniel P; Welch, Catherine A; Harrison, David A; Palser, Thomas R; Cromwell, David A; Gao, Fang; Alderson, Derek; Rowan, Katherine M; Perkins, Gavin D; (2009) Outcomes following oesophagectomy in patients with oesophageal cancer: a secondary analysis of the ICNARC Case Mix Programme Database. Critical care (London, England), 13 Sup (Suppl ). S1-. ISSN 1364-8535 DOI: https://doi.org/10.1186/cc7868

Peacock, O; Yanni, F; Kuryba, A; Cromwell, D; Lockwood, S; Anderson, I; Vohra, RS; NELA Project Team; NELA Project Team; (2021) Failure to rescue patients after emergency laparotomy for large bowel perforation: analysis of the National Emergency Laparotomy Audit (NELA). BJS open, 5 (1). zraa060-. ISSN 2474-9842 DOI: https://doi.org/10.1093/bjsopen/zraa060

Perkins, D; Owen, A; Cromwell, D; Adamson, L; Eagar, K; Quinsey, K; Green, J; (2001) The Illawarra Coordinated Care Trial: better outcomes with existing resources? Australian health review, 24 (2). pp. 161-171. ISSN 0156-5788 DOI: https://doi.org/10.1071/ah010172 Full text not available from this repository.

Pettigrew, Luisa M; Petersen, Irene; Mays, Nicholas; Cromwell, David; (2024) The changing shape of English general practice: a retrospective longitudinal study using national datasets describing trends in organisational structure, workforce and recorded appointments. BMJ open, 14 (8). e081535-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2023-081535

Pucher, Philip H; Park, Min Hae; Cromwell, David A; Crosby, Tom C; Thomas, Betsan; Trudgill, Nigel; Wahedally, Muhammad; Maynard, Nick; Gossage, James A; (2023) Diagnosis and treatment for gastro-oesophageal cancer in England and Wales: analysis of the National Oesophago-Gastric Cancer Audit (NOGCA) database 2012-2020. British journal of surgery, 110 (6). pp. 701-709. ISSN 0007-1323 DOI: https://doi.org/10.1093/bjs/znad065

Rahman, SA; Maynard, N; Trudgill, N; Crosby, T; Park, M; Wahedally, H; Underwood, TJ; Cromwell, DA; NOGCA Project Team and AUGIS; (2021) Prediction of long-term survival after gastrectomy using random survival forests. The British journal of surgery, 108 (11). pp. 1341-1350. ISSN 0007-1323 DOI: https://doi.org/10.1093/bjs/znab237

Rahman, Saqib A; Walker, Robert C; Maynard, Nick; Trudgill, Nigel; Crosby, Tom; Cromwell, David A; Underwood, Timothy J; NOGCA project team AUGIS; (2023) The AUGIS Survival Predictor: Prediction of Long-Term and Conditional Survival After Esophagectomy Using Random Survival Forests. Annals of surgery, 277 (2). pp. 267-274. ISSN 0003-4932 DOI: https://doi.org/10.1097/SLA.0000000000004794

Rahman, Saqib; Thomas, Betsan; Maynard, Nick; Park, Min Hae; Wahedally, Muhammad; Trudgill, Nigel; Crosby, Tom; Cromwell, David A; Underwood, Tim J; (2021) Impact of postoperative chemotherapy on survival for oesophagogastric adenocarcinoma after preoperative chemotherapy and surgery. British Journal of Surgery, 109 (2). pp. 227-236. ISSN 0007-1323 DOI: https://doi.org/10.1093/bjs/znab427

Schoenweger, Petra; Miller, Fiona; Cromwell, David A; Waton, Sam; Johal, Amundeep S; Boyle, Jonathan R; Heikkila, Katriina; (2020) Outcomes of Lower Limb Angioplasty Vary by Area Deprivation in England. European journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery, 60 (5). pp. 784-785. ISSN 1078-5884 DOI: https://doi.org/10.1016/j.ejvs.2020.07.067

Sinha, S; Varagunam, M; Park, MH; Maynard, ND; Trudgill, N; Crosby, T; Cromwell, DA; (2019) Brachytherapy in the Palliation of Oesophageal Cancer: Effective but Impractical? Clinical Oncology (Royal College of Radiologists (Great Britain)), 31 (7). e87-e93. ISSN 0936-6555 DOI: https://doi.org/10.1016/j.clon.2019.03.045 Item availability may be restricted.

Srai, Rhatica Kaur; Cromwell, David; Mays, Nicholas; Pettigrew, Luisa M; (2024) General practice characteristics associated with pay-for-performance in the UK: a systematic review. BJGP open. BJGPO.2024.0174. ISSN 2398-3795 DOI: https://doi.org/10.3399/BJGPO.2024.0174

Sun, Li; Cromwell, David; Dodwell, David; Horgan, Kieran; Gannon, Melissa Ruth; Medina, Jibby; Pennington, Mark; Legood, Rosa; Dos-Santos-Silva, Isabel; Sadique, Zia; (2020) Costs of Early Invasive Breast Cancer in England Using National Patient-Level Data. VALUE IN HEALTH, 23 (10). pp. 1316-1323. ISSN 1098-3015 DOI: https://doi.org/10.1016/j.jval.2020.05.013

Taylor, Angelina; Neuburger, Jenny; Walker, Kate; Cromwell, David; Groene, Oliver; (2016) How is feedback from national clinical audits used? Views from English National Health Service trust audit leads. Journal of health services research & policy, 21 (2). pp. 91-100. ISSN 1355-8196 DOI: https://doi.org/10.1177/1355819615612826

Tsang, C; Boulton, C; Burgon, V; Johansen, A; Wakeman, R; Cromwell, DA; (2017) Predicting 30-day mortality after hip fracture surgery: Evaluation of the National Hip Fracture Database case-mix adjustment model. Bone & joint research, 6 (9). pp. 550-556. ISSN 2046-3758 DOI: https://doi.org/10.1302/2046-3758.69.BJR-2017-0020.R1

Tsang, C; Boulton, C; Burgon, V; Johansen, A; Wakeman, R; Cromwell, DA; (2017) Predicting 30-day mortality after hip fracture surgery. BONE & JOINT RESEARCH, 6 (9). pp. 550-556. ISSN 2046-3758 DOI: https://doi.org/10.1302/2046-3758.69.BJR-2017-0020.R1

Varagunam, M; Hardwick, R; Riley, S; Chadwick, G; Cromwell, DA; Groene, O; (2018) Changes in volume, clinical practice and outcome after reorganisation of oesophago-gastric cancer care in England: A longitudinal observational study. European journal of surgical oncology, 44 (4). pp. 524-531. ISSN 0748-7983 DOI: https://doi.org/10.1016/j.ejso.2018.01.001

Wahba, Adam J; Cromwell, David A; Hutchinson, Peter J; Mathew, Ryan K; Phillips, Nick; (2022) Patterns and outcomes of neurosurgery in England over a five-year period: A national retrospective cohort study. International journal of surgery (London, England), 99. 106256-. ISSN 1743-9191 DOI: https://doi.org/10.1016/j.ijsu.2022.106256

Wahba, Adam J; Cromwell, David A; Hutchinson, Peter J; Mathew, Ryan K; Phillips, Nick; (2022) Mortality as an indicator of quality of neurosurgical care in England: a retrospective cohort study. BMJ open, 12 (11). e067409-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2022-067409

Wahba, Adam J; Cromwell, David A; Hutchinson, Peter J; Mathew, Ryan K; Phillips, Nick; (2023) Assessing national patterns and outcomes of pituitary surgery: is hospital administrative data good enough? British journal of neurosurgery, 37 (5). pp. 1135-1142. ISSN 0268-8697 DOI: https://doi.org/10.1080/02688697.2023.2170982

Wahba, Adam J; Phillips, Nick; Mathew, Ryan K; Hutchinson, Peter J; Helmy, Adel; Cromwell, David A; (2023) Benchmarking short-term postoperative mortality across neurosurgery units: is hospital administrative data good enough for risk-adjustment? Acta neurochirurgica, 165 (7). pp. 1695-1706. ISSN 0001-6268 DOI: https://doi.org/10.1007/s00701-023-05623-5

Walker, Kate; Neuburger, Jenny; Groene, Oliver; Cromwell, David A; van der Meulen, Jan; (2013) Public reporting of surgeon outcomes: low numbers of procedures lead to false complacency. Lancet, 382 (9905). pp. 1674-1677. ISSN 0140-6736 DOI: https://doi.org/10.1016/S0140-6736(13)61491-9 Full text not available from this repository.

Withington, John M; Charman, Susan C; Armitage, James N; Cromwell, David; Finch, William D; Wiseman, Oliver J; Irving, Stuart; Glass, Jonathan; Burgess, Neil A; (2015) Hospital Volume Does Not Influence the Safety of Percutaneous Nephrolithotomy in England: A Population-Based Cohort Study. Journal of endourology / Endourological Society, 29 (8). pp. 899-906. ISSN 0892-7790 DOI: https://doi.org/10.1089/end.2015.0007 Full text not available from this repository.

Yap, Tet L; Brown, Christian; Cromwell, David A; van der Meulen, Jan; Emberton, Mark; (2009) The impact of self-management of lower urinary tract symptoms on frequency-volume chart measures. BJU international, 104 (8). pp. 1104-1108. ISSN 1464-4096 DOI: https://doi.org/10.1111/j.1464-410X.2009.08497.x Full text not available from this repository.

Yap, Tet L; Cromwell, David A; Brown, Christian; Emberton, Mark; van der Meulen, Jan; (2007) The reliability of the frequency-volume chart in assessing lower urinary tract symptoms. BJU international, 100 (1). pp. 111-115. ISSN 1464-4096 DOI: https://doi.org/10.1111/j.1464-410X.2007.06864.x Full text not available from this repository.

Yap, Tet L; Cromwell, David A; Brown, Christian; van der Meulen, Jan; Emberton, Mark; (2007) The relationship between objective frequency-volume chart data and the I-PSS in men with lower urinary tract symptoms. European urology, 52 (3). pp. 811-818. ISSN 0302-2838 DOI: https://doi.org/10.1016/j.eururo.2007.01.013 Full text not available from this repository.

Cromwell, D; (2001) Falling in the water: Funds pooling in the Illawarra Coordinated Care Trial. In: UNSPECIFIED, (ed.) The Australian Coordinated Care Trials: reflections and lessons. Commonwealth Department of Health and Aged Care, Canberra, pp. 140-147. https://researchonline.lshtm.ac.uk/id/eprint/13248 Full text not available from this repository.

Cromwell, D; Bomba, D; Hang, T; Dalley, A; (2002) Dividends for care coordination from investments in information technology. Lessons from the Illawarra Coordinated Care Trial. In: UNSPECIFIED, (ed.) The Australian Coordinated Care Trials: recollections of an evaluation. Commonwealth Department of Health and Aged Care, Canberra. https://researchonline.lshtm.ac.uk/id/eprint/19425 Full text not available from this repository.

Kries, I; Cromwell, D; (2013) Study designs for public health investigations: basic concepts and practice, illustrated with a case study on asthma. In: Kreis, IA; Busby, A; Leonardi, G; Meara, J; Murray, V, (eds.) Essentials of Environmental Epidemiology for Health Protection A handbook for field professionals. Oxford University Press, Oxford. ISBN 9780199663415 https://researchonline.lshtm.ac.uk/id/eprint/2837718 Full text not available from this repository.

Kries, IA; Cromwell, DA; (2013) Literature reviews – systematic, but how and why? Illustrated with case studies on dioxin. In: Kreis, IA; Busby, A; Leonardi, G; Meara, J; Murray, V, (eds.) Essentials of Environmental Epidemiology for Health Protection: A Handbook for Field Professionals. Oxford University Press, Oxford. ISBN 9780199663415 https://researchonline.lshtm.ac.uk/id/eprint/2837717 Full text not available from this repository.

Eagar, K; Owen, A; Green, J; Cromwell, D; Poulos, R; Gordon, R; Quinsey, K; Fildes, D; (2002) A national measure of functional dependency for Home and Community Care services in Australia. Technical Report. Commonwealth Department of Health and Ageing. https://researchonline.lshtm.ac.uk/id/eprint/13244 Full text not available from this repository.

Waton, S; Johal, A; Heikkilä, K; Cromwell, D; Loftus, I; (2015) National Vascular Registry: 2015 Annual Report. Technical Report. The Royal College of Surgeons of England, London, United Kingdom. https://researchonline.lshtm.ac.uk/id/eprint/2548651

Waton, S; Johal, A; Heikkilä, K; Cromwell, D; Loftus, I; (2015) National Vascular Registry: 2014 Progress Report. Technical Report. The Royal College of Surgeons of England, London, United Kingdom. https://researchonline.lshtm.ac.uk/id/eprint/2548668

Groene, O; Hardwick, R; Riley, S; Crosby, T; Greenaway, K; Cromwell, D; (2012) COMPLETION RATES OF PALLIATIVE CHEMOTHERAPY ARE LOW IN PATIENTS WITH OESOPHAGO-GASTRIC CANCER: RESULTS FROM A NATIONAL AUDIT. [Conference or Workshop Item] https://researchonline.lshtm.ac.uk/id/eprint/251156 Full text not available from this repository.

Javaid, K; Vasilakis, N; Cromwell, D; Schoo, R; Stanley, R; Rail, S; Finbarr, M; (2016) Methods to Estimate the Case Load for Fragility Fractures at Hospital Level: Experiences from the Fracture Liaison Service Database (Fls-Db). [Conference or Workshop Item] https://researchonline.lshtm.ac.uk/id/eprint/3482711 Full text not available from this repository.

Kiran, A; Gurol-Urganci, I; Tsang, C; Knight, H; Cromwell, D; Mahmood, T; van der Meulen, J; (2014) The National Heavy Menstrual Bleeding Audit: the association between ethnicity and treatment received in hospital. [Conference or Workshop Item] https://researchonline.lshtm.ac.uk/id/eprint/1726207 Full text not available from this repository.

Knight, H; Gurol-Urganci, I; Cromwell, D; Mahmood, T; Templeton, A; Kiran, A; Richmond, D; van der Meulen, J; (2014) Development of a suite of indicators for quality improvement in maternity care. [Conference or Workshop Item] https://researchonline.lshtm.ac.uk/id/eprint/1726150 Full text not available from this repository.

Knight, H; Gurol-Urganci, I; van der Meulen, J; Kiran, A; Mahmood, T; Richmond, D; Cromwell, D; (2014) Vaginal birth after caesarean section: A national cohort study investigating factors associated with its uptake and success. [Conference or Workshop Item] https://researchonline.lshtm.ac.uk/id/eprint/1726168 Full text not available from this repository.

Knight, HE; Gurol-Urganci, I; van der Meulen, JH; Richmond, D; Templeton, A; Mahmood, TA; Cromwell, DA; (2013) Development of a suite of indicators for quality improvement in maternity care. [Conference or Workshop Item] https://researchonline.lshtm.ac.uk/id/eprint/1229251 Full text not available from this repository.

Palser, T; Cromwell, D; Hardwick, R; Riley, S; van der Meulen, J; (2010) Referral patterns for oesophago-gastric cancer: how are patients referred and does it vary across the country? [Conference or Workshop Item] https://researchonline.lshtm.ac.uk/id/eprint/647 Full text not available from this repository.

Bielicki, JA; (2021) Estimating coverage of empiric treatment regimens for childhood bloodstream infection based on routine microbiological data. PhD (research paper style) thesis, London School of Hygiene & Tropical Medicine. DOI: https://doi.org/10.17037/PUBS.04659846

Gannon, MR; (2024) Use of real world data to generate evidence on the effectiveness of oncological treatment provision in older/underrepresented populations of women diagnosed with breast cancer. PhD thesis, London School of Hygiene & Tropical Medicine. DOI: https://doi.org/10.17037/PUBS.04672587

Knight, HE; (2018) Using routinely collected data to evaluate the performance and quality of English NHS maternity services. PhD (research paper style) thesis, London School of Hygiene & Tropical Medicine. DOI: https://doi.org/10.17037/PUBS.04650762