Items where Author is "Walker, K"

Number of items: 68.
Article
  • Impact of patient choice and hospital competition on patient outcomes after prostate cancer surgery: A national population-based study. (2019) Aggarwal, Ajay K; Sujenthiran, Arunan; Lewis, Daniel; Walker, Kate; Cathcart, Paul; Clarke, Noel; Sullivan, Richard; van der Meulen, Jan H description
  • The National Cancer Audit Collaborating Centre (NATCAN): improving the quality of National Health Service cancer care in England and Wales. (2025) Aggarwal, Ajay; Cromwell, David; Nossiter, Julie; van der Meulen, Jan; Walker, Kate; NATCAN audit teams picture_as_pdf
  • Association of Quality and Technology With Patient Mobility for Colorectal Cancer Surgery. (2022) Aggarwal, Ajay; Han, Lu; Boyle, Jemma; Lewis, Daniel; Kuyruba, Angela; Braun, Michael; Walker, Kate; Fearnhead, Nicola; Sullivan, Richard; van der Meulen, Jan
  • NHS cancer services and systems-ten pressure points a UK cancer control plan needs to address. (2024) Aggarwal, Ajay; Simcock, Richard; Price, Pat; Rachet, Bernard; Lyratzopoulos, Georgios; Walker, Kate; Spencer, Katie; Roques, Tom; Sullivan, Richard
  • Mammographic density and markers of socioeconomic status: a cross-sectional study. (2010) Aitken, Zoe; Walker, Kate; Stegeman, Bernardine H; Wark, Petra A; Moss, Sue M; McCormack, Valerie A; Silva, Isabel dos Santos
  • Value of hospital administrative data linked to national cancer registry records to identify metastatic disease at time of primary diagnosis in colorectal cancer patients: a study using national data in England. (2025) Almilaji, Orouba; Sharples, Linda; Aggarwal, Ajay; Cromwell, David; Horgan, Kieran; Braun, Michael; Arnott, Robert; Nossiter, Julie; Kuryba, Angela; Lewin, Alexandra; Rous, Brian; Cowling, Thomas; Meulen, Jan Van Der; Walker, Kate picture_as_pdf
  • Iatrogenic and spontaneous preterm birth in England: A population-based cohort study. (2023) Aughey, Harriet; Jardine, Jennifer; Knight, Hannah; Gurol-Urganci, Ipek; Walker, Kate; Harris, Tina; van der Meulen, Jan; Hawdon, Jane; Pasupathy, Dharmintra; NMPA Project Team
  • Improving risk models for patients having emergency bowel cancer surgery using linked electronic health records: a national cohort study. (2024) Blake, Helen A; Sharples, Linda D; Boyle, Jemma M; Kuryba, Angela; Moonesinghe, Suneetha R; Murray, Dave; Hill, James; Fearnhead, Nicola S; van der Meulen, Jan H; Walker, Kate
  • Probabilistic linkage without personal information successfully linked national clinical datasets. (2021) Blake, Helen A; Sharples, Linda D; Harron, Katie; van der Meulen, Jan H; Walker, Kate
  • Linkage of multiple electronic health record datasets using a 'spine linkage' approach compared with all 'pairwise linkages'. (2022) Blake, Helen A; Sharples, Linda D; Harron, Katie; van der Meulen, Jan H; Walker, Kate
  • Determinants of Variation in the Use of Adjuvant Chemotherapy for Stage III Colon Cancer in England. (2020) Boyle, JM; Kuryba, A; Cowling, TE; Aggarwal, A; Hill, J; van der Meulen, J; Walker, K; Braun, MS
  • Development and validation of a coding framework to identify severe acute toxicity from systemic anti-cancer therapy using hospital administrative data. (2022) Boyle, Jemma M; Cowling, Thomas E; Kuryba, Angela; Fearnhead, Nicola S; van der Meulen, Jan; Braun, Michael S; Walker, Kate; Aggarwal, Ajay
  • The impact of the first peak of the COVID-19 pandemic on colorectal cancer services in England and Wales: A national survey. (2021) Boyle, Jemma M; Kuryba, Angela; Blake, Helen A; Aggarwal, Ajay; van der Meulen, Jan; Walker, Kate; Braun, Michael; Fearnhead, Nicola picture_as_pdf
  • Validity of chemotherapy information derived from routinely collected healthcare data: A national cohort study of colon cancer patients. (2021) Boyle, Jemma M; Kuryba, Angela; Braun, Michael S; Aggarwal, Ajay; van der Meulen, Jan; Cowling, Thomas E; Walker, Kate
  • Survival outcomes associated with completion of adjuvant oxaliplatin-based chemotherapy for stage III colon cancer: A national population-based study. (2021) Boyle, Jemma M; Kuryba, Angela; Cowling, Thomas E; van der Meulen, Jan; Fearnhead, Nicola S; Walker, Kate; Braun, Michael S; Aggarwal, Ajay
  • Measuring variation in the quality of systemic anti-cancer therapy delivery across hospitals: A national population-based evaluation. (2022) Boyle, Jemma M; van der Meulen, Jan; Kuryba, Angela; Cowling, Thomas E; Booth, Christopher; Fearnhead, Nicola S; Braun, Michael S; Walker, Kate; Aggarwal, Ajay
  • What is the impact of hospital and surgeon volumes on outcomes in rectal cancer surgery? (2023) Boyle, Jemma M; van der Meulen, Jan; Kuryba, Angela; Cowling, Thomas E; Braun, Michael S; Aggarwal, Ajay; Walker, Kate; Fearnhead, Nicola S
  • One-year mortality of colorectal cancer patients: development and validation of a prediction model using linked national electronic data. (2020) Cowling, Thomas E; Bellot, Alexis; Boyle, Jemma; Walker, Kate; Kuryba, Angela; Galbraith, Sarah; Aggarwal, Ajay; Braun, Michael; Sharples, Linda D; van der Meulen, Jan
  • Estimating causal effects of genetic risk variants for breast cancer using marker data from bilateral and familial cases. (2011) Dudbridge, Frank; Fletcher, Olivia; Walker, Kate; Johnson, Nichola; Orr, Nick; Dos Santos Silva, Isabel; Peto, Julian
  • Development and internal validation of a novel risk adjustment model for adult patients undergoing emergency laparotomy surgery: the National Emergency Laparotomy Audit risk model. (2018) Eugene, N; Oliver, CM; Bassett, MG; Poulton, TE; Kuryba, A; Johnston, C; Anderson, ID; Moonesinghe, SR; Grocott, MP; Murray, DM; Cromwell, DA; Walker, K; NELA collaboration
  • Novel breast cancer susceptibility locus at 9q31.2: results of a genome-wide association study. (2011) Fletcher, Olivia; Johnson, Nichola; Orr, Nick; Hosking, Fay J; Gibson, Lorna J; Walker, Kate; Zelenika, Diana; Gut, Ivo; Heath, Simon; Palles, Claire; Coupland, Ben; Broderick, Peter; Schoemaker, Minouk; Jones, Michael; Williamson, Jill; Chilcott-Burns, Sarah; Tomczyk, Katarzyna; Simpson, Gemma; Jacobs, Kevin B; Chanock, Stephen J; Hunter, David J; Tomlinson, Ian P; Swerdlow, Anthony; Ashworth, Alan; Ross, Gillian; dos Santos Silva, Isabel; Lathrop, Mark; Houlston, Richard S; Peto, Julian
  • Impact of patient choice and hospital competition on patient outcomes after rectal cancer surgery: A national population-based study. (2022) Han, Lu; Boyle, Jemma M; Walker, Kate; Kuryba, Angela; Braun, Michael S; Fearnhead, Nicola; Jayne, David; Sullivan, Richard; van der Meulen, Jan; Aggarwal, Ajay
  • Survival After Liver Transplantation: An International Comparison Between the United States and the United Kingdom in the Years 2008-2016. (2021) Ivanics, Tommy; Wallace, David; Abreu, Phillipe; Claasen, Marco PAW; Callaghan, Chris; Cowling, Thomas; Walker, Kate; Heaton, Nigel; Mehta, Neil; Sapisochin, Gonzalo; van der Meulen, Jan
  • Associations between ethnicity and admission to intensive care among women giving birth: a cohort study. (2021) Jardine, J; Gurol-Urganci, I; Harris, T; Hawdon, J; Pasupathy, D; van der Meulen, J; Walker, K; NMPA project team
  • Validation of ethnicity in administrative hospital data in women giving birth in England: cohort study. (2021) Jardine, Jennifer Elizabeth; Frémeaux, Alissa; Coe, Megan; Gurol Urganci, Ipek; Pasupathy, Dharmintra; Walker, Kate
  • Risk of complicated birth at term in nulliparous and multiparous women using routinely collected maternity data in England: cohort study. (2020) Jardine, Jennifer; Blotkamp, Andrea; Gurol-Urganci, Ipek; Knight, Hannah; Harris, Tina; Hawdon, Jane; van der Meulen, Jan; Walker, Kate; Pasupathy, Dharmintra
  • Risk of postpartum haemorrhage is associated with ethnicity: A cohort study of 981 801 births in England. (2021) Jardine, Jennifer; Gurol-Urganci, Ipek; Harris, Tina; Hawdon, Jane; Pasupathy, Dharmintra; van der Meulen, Jan; Walker, Kate; NMPA Project Team
  • Adverse pregnancy outcomes attributable to socioeconomic and ethnic inequalities in England: a national cohort study. (2021) Jardine, Jennifer; Walker, Kate; Gurol-Urganci, Ipek; Webster, Kirstin; Muller, Patrick; Hawdon, Jane; Khalil, Asma; Harris, Tina; van der Meulen, Jan; National Maternity and Perinatal Audit Project Team
  • CYP3A variation, premenopausal estrone levels, and breast cancer risk. (2012) Johnson, Nichola; Walker, Kate; Gibson, Lorna J; Orr, Nick; Folkerd, Elizabeth; Haynes, Ben; Palles, Claire; Coupland, Ben; Schoemaker, Minouk; Jones, Michael; Broderick, Peter; Sawyer, Elinor; Kerin, Michael; Tomlinson, Ian P; Zvelebil, Marketa; Chilcott-Burns, Sarah; Tomczyk, Katarzyna; Simpson, Gemma; Williamson, Jill; Hillier, Stephen G; Ross, Gillian; Houlston, Richard S; Swerdlow, Anthony; Ashworth, Alan; Dowsett, Mitch; Peto, Julian; Dos Santos Silva, Isabel; Fletcher, Olivia
  • Identifying emergency presentations of chronic liver disease using routinely collected administrative hospital data. (2025) King, Jessica; Bains, Vikram; Doidge, James; Van Der Meulen, Jan; Walker, Kate; Bernal, William
  • Severity of Dementia and Survival in Patients Diagnosed with Colorectal Cancer: A National Cohort Study in England and Wales. (2022) Kuryba, AJ; Boyle, JM; van der Meulen, J; Aggarwal, A; Walker, K; Fearnhead, NS; Braun, MS
  • Determinants of stoma reversal in rectal cancer patients who had an anterior resection between 2009 and 2012 in the English National Health Service. (2015) Kuryba, AJ; Scott, NA; Hill, J; van der Meulen, JH; Walker, K description
  • Outcomes of colorectal cancer resection in patients with inflammatory bowel disease: a national population-based analysis in England and Wales. (2022) Kuryba, Angela J; Vallance, Abigail E; Boyle, Jemma M; Braun, Michael S; Blake, Helen A; van der Meulen, Jan; Fearnhead, Nicola S; Walker, Kate
  • Surgical Treatment and Outcomes of Colorectal Cancer Patients During the COVID-19 Pandemic: A National Population-based Study in England. (2021) Kuryba, Angela; Boyle, Jemma M; Blake, Helen A; Aggarwal, Ajay; van der Meulen, Jan; Braun, Michael; Walker, Kate; Fearnhead, Nicola S
  • Comparison of control charts for monitoring clinical performance using binary data. (2017) Neuburger, Jenny; Walker, Kate; Sherlaw-Johnson, Chris; van der Meulen, Jan; Cromwell, David A
  • Thirty-day mortality in patients undergoing laparotomy for small bowel obstruction. (2017) Peacock, O; Bassett, MG; Kuryba, A; Walker, K; Davies, E; Anderson, I; Vohra, RS; National Emergency Laparotomy Audit (NELA) Project Team
  • The maternal age-specific live birth prevalence of trisomies 13 and 18 compared to trisomy 21 (Down syndrome). (2010) Savva, George M; Walker, Kate; Morris, Joan K
  • Time-varying Comparison of All-cause Mortality After Liver Transplantation Between Recipients With and Without Hepatocellular Carcinoma: A Population-based Cohort Study Using the United Kingdom Liver Transplant Registry. (2022) Sehjal, Jyoti; Sharples, Linda D; Keogh, Ruth H; Walker, Kate; Prachalias, Andreas; Heaton, Nigel; Ivanics, Tommy; van der Meulen, Jan; Wallace, David
  • How is feedback from national clinical audits used? Views from English National Health Service trust audit leads. (2015) Taylor, Angelina; Neuburger, Jenny; Walker, Kate; Cromwell, David; Groene, Oliver description
  • Common breast cancer susceptibility variants in LSP1 and RAD51L1 are associated with mammographic density measures that predict breast cancer risk. (2012) Vachon, Celine M; Scott, Christopher G; Fasching, Peter A; Hall, Per; Tamimi, Rulla M; Li, Jingmei; Stone, Jennifer; Apicella, Carmel; Odefrey, Fabrice; Gierach, Gretchen L; Jud, Sebastian M; Heusinger, Katharina; Beckmann, Matthias W; Pollan, Marina; Fernández-Navarro, Pablo; Gonzalez-Neira, Anna; Benitez, Javier; van Gils, Carla H; Lokate, Mariëtte; Onland-Moret, N Charlotte; Peeters, Petra HM; Brown, Judith; Leyland, Jean; Varghese, Jajini S; Easton, Douglas F; Thompson, Deborah J; Luben, Robert N; Warren, Ruth ML; Wareham, Nicholas J; Loos, Ruth JF; Khaw, Kay-Tee; Ursin, Giske; Lee, Eunjung; Gayther, Simon A; Ramus, Susan J; Eeles, Rosalind A; Leach, Martin O; Kwan-Lim, Gek; Couch, Fergus J; Giles, Graham G; Baglietto, Laura; Krishnan, Kavitha; Southey, Melissa C; Le Marchand, Loic; Kolonel, Laurence N; Woolcott, Christy; Maskarinec, Gertraud; Haiman, Christopher A; Walker, Kate; Johnson, Nichola; McCormack, Valeria A; Biong, Margarethe; Alnaes, Grethe IG; Gram, Inger Torhild; Kristensen, Vessela N; Børresen-Dale, Anne-Lise; Lindström, Sara; Hankinson, Susan E; Hunter, David J; Andrulis, Irene L; Knight, Julia A; Boyd, Norman F; Figuero, Jonine D; Lissowska, Jolanta; Wesolowska, Ewa; Peplonska, Beata; Bukowska, Agnieszka; Reszka, Edyta; Liu, JianJun; Eriksson, Louise; Czene, Kamila; Audley, Tina; Wu, Anna H; Pankratz, V Shane; Hopper, John L; dos-Santos-Silva, Isabel
  • Socioeconomic differences in selection for liver resection in metastatic colorectal cancer and the impact on survival. (2018) Vallance, AE; van der Meulen, J; Kuryba, A; Braun, M; Jayne, DG; Hill, J; Cameron, IC; Walker, K
  • The timing of liver resection in patients with colorectal cancer and synchronous liver metastases: a population-based study of current practice and survival. (2017) Vallance, AE; van der Meulen, J; Kuryba, A; Charman, SC; Botterill, ID; Prasad, KR; Hill, J; Jayne, DG; Walker, K
  • Impact of hepatobiliary service centralization on treatment and outcomes in patients with colorectal cancer and liver metastases. (2017) Vallance, AE; vanderMeulen, J; Kuryba, A; Botterill, ID; Hill, J; Jayne, DG; Walker, K
  • Effect of public reporting of surgeons' outcomes on patient selection, "gaming," and mortality in colorectal cancer surgery in England: population based cohort study. (2018) Vallance, Abigail E; Fearnhead, Nicola S; Kuryba, Angela; Hill, James; Maxwell-Armstrong, Charles; Braun, Michael; van der Meulen, Jan; Walker, Kate
  • Role of Emergency Laparoscopic Colectomy for Colorectal Cancer: A Population-based Study in England. (2018) Vallance, Abigail E; Keller, Deborah S; Hill, James; Braun, Michael; Kuryba, Angela; van der Meulen, Jan; Walker, Kate; Chand, Manish
  • The impact of advancing age on incidence of hepatectomy and post-operative outcomes in patients with colorectal cancer liver metastases: a population-based cohort study. (2018) Vallance, Abigail E; Young, Alastair L; Kuryba, Angela; Braun, Michael; Hill, James; Jayne, David G; van der Meulen, Jan; Lodge, Jeremy P; Walker, Kate
  • Long-term continuation on cardiovascular drug treatment in patients with coronary heart disease. (2007) Wald, David S; Morton, Geraint; Walker, Kate; Iosson, Neil; Curzen, Nick P
  • Prenatal screening for serious congenital heart defects using nuchal translucency: a meta-analysis. (2008) Wald, Nicholas J; Morris, Joan K; Walker, Kate; Simpson, John M
  • Premenopausal endogenous oestrogen levels and breast cancer risk: a meta-analysis. (2011) Walker, K; Bratton, DJ; Frost, C
  • Model for risk adjustment of postoperative mortality in patients with colorectal cancer. (2014) Walker, K; Finan, PJ; van der Meulen, JH description
  • Premenopausal mammographic density in relation to cyclic variations in endogenous sex hormone levels, prolactin, and insulin-like growth factors. (2009) Walker, Kate; Fletcher, Olivia; Johnson, Nichola; Coupland, Ben; McCormack, Valerie A; Folkerd, Elizabeth; Gibson, Lorna; Hillier, Stephen G; Holly, Jeff M; Moss, Sue; Dowsett, Mitchell; Peto, Julian; dos Santos Silva, Isabel
  • Regional variation in length of hospital stay after major surgery for colorectal cancer. (2015) Walker, Kate; Kuryba, Angela; Scott, Nigel; Van der Meulen, Jan
  • Public reporting of surgeon outcomes: low numbers of procedures lead to false complacency. (2013) Walker, Kate; Neuburger, Jenny; Groene, Oliver; Cromwell, David A; van der Meulen, Jan
  • A synthesis of convenience survey and other data to estimate undiagnosed HIV infection among men who have sex with men in England and Wales. (2011) Walker, Kate; Seaman, Shaun R; De Angelis, Daniela; Presanis, Anne M; Dodds, Julie P; Johnson, Anne M; Mercey, Danielle; Gill, O Noel; Copas, Andrew J
  • Reply. (2010) Walker, Kate; dos Santos Silva, Isabel
  • Liver transplantation outcomes after transarterial chemotherapy for hepatocellular carcinoma. (2020) Wallace, D; Cowling, TE; Walker, K; Suddle, A; Gimson, A; Rowe, I; Callaghan, C; Sapisochin, G; Mehta, N; Heaton, N; van der Meulen, J
  • Short- and long-term mortality after liver transplantation in patients with and without hepatocellular carcinoma in the UK. (2020) Wallace, D; Cowling, TE; Walker, K; Suddle, A; Rowe, I; Callaghan, C; Gimson, A; Bernal, W; Heaton, N; van der Meulen, J
  • Identifying patients at risk of emergency admission for colorectal cancer. (2014) Wallace, D; Walker, K; Kuryba, A; Finan, P; Scott, N; van der Meulen, J
  • National time trends in mortality and graft survival following liver transplantation from circulatory death or brainstem death donors. (2021) Wallace, David; Cowling, Thomas E; Suddle, Abid; Gimson, Alex; Rowe, Ian; Callaghan, Chris; Sapisochin, Gonzalo; Ivanics, Tommy; Claasen, Marco; Mehta, Neil; Heaton, Nigel; van der Meulen, Jan; Walker, Kate
  • The Impact of Performance Status on Length of Hospital Stay and Clinical Complications Following Liver Transplantation. (2020) Wallace, David; Cowling, Thomas E; Walker, Kate; Suddle, Abid; Gimson, Alex; Rowe, Ian; Callaghan, Chris; Heaton, Nigel; van der Meulen, Jan; Bernal, William description
  • Assessing the Time-Dependent Impact of Performance Status on Outcomes After Liver Transplantation. (2020) Wallace, David; Cowling, Thomas; McPhail, Mark J; Brown, Sarah E; Aluvihare, Varuna; Suddle, Abid; Auzinger, Georg; Heneghan, Michael A; Rowe, Ian A; Walker, Kate; Heaton, Nigel; van der Meulen, Jan; Bernal, William
  • Assessing the Impact of Suboptimal Donor Characteristics on Mortality After Liver Transplantation: A Time-dependent Analysis Comparing HCC With Non-HCC Patients. (2019) Wallace, David; Walker, Kate; Charman, Susan; Suddle, Abid; Gimson, Alex; Rowe, Ian; Callaghan, Chris; Cowling, Tom; Heaton, Nigel; van der Meulen, Jan picture_as_pdf
  • Do international surveys and censuses exhibit ‘Dry Season’ bias? (2012) Wright, Jim A; Yang, Hong; Walker, Kate
  • The H(2)S test versus standard indicator bacteria tests for faecal contamination of water: systematic review and meta-analysis. (2011) Wright, Jim A; Yang, Hong; Walker, Kate; Pedley, Steve; Elliott, John; Gundry, Stephen W
    • Conference or Workshop Item
  • Polymorphisms, endogenous hormone levels and familial breast cancer risk in premenopausal women. (2010) Walker, K; Fletcher, O; Johnson, N; Palles, C; Folkerd, E; Hillier, SG; Moss, S; Gibson, L; Dowsett, M; Peto, J; Silva, ID html
    • Thesis
  • Using National Routine Data to Explore the Utilisation and Outcomes of Multimodal Treatment in the Management of Colorectal Cancer. (2022) Boyle, JM
  • A study of risk factors of maternity outcomes using large, routinely-collected electronic datasets. (2022) Jardine, JE
  • Liver transplantation as a treatment for patients with hepatocellular carcinoma : a study using electronic health care data. (2021) Wallace, D