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Richard Croker
Richard Croker
Verified email at phc.ox.ac.uk
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Factors associated with COVID-19-related death using OpenSAFELY
EJ Williamson, AJ Walker, K Bhaskaran, S Bacon, C Bates, CE Morton, ...
Nature 584 (7821), 430-436, 2020
55542020
OpenSAFELY: factors associated with COVID-19 death in 17 million patients
EJ Williamson, AJ Walker, K Bhaskaran, S Bacon, C Bates, CE Morton, ...
Nature 584 (7821), 430, 2020
6872020
OpenSAFELY: factors associated with COVID-19-related hospital death in the linked electronic health records of 17 million adult NHS patients
OpenSAFELY Collaborative, E Williamson, AJ Walker, K Bhaskaran, ...
MedRxiv, 2020.05. 06.20092999, 2020
6432020
Ethnic differences in SARS-CoV-2 infection and COVID-19-related hospitalisation, intensive care unit admission, and death in 17 million adults in England: an observational …
R Mathur, CT Rentsch, CE Morton, WJ Hulme, A Schultze, B MacKenna, ...
The Lancet 397 (10286), 1711-1724, 2021
3912021
Risk of COVID-19-related death among patients with chronic obstructive pulmonary disease or asthma prescribed inhaled corticosteroids: an observational cohort study using the …
A Schultze, AJ Walker, B MacKenna, CE Morton, K Bhaskaran, JP Brown, ...
The Lancet Respiratory Medicine 8 (11), 1106-1120, 2020
2622020
Case fatality risk of the SARS-CoV-2 variant of concern B. 1.1. 7 in England, 16 November to 5 February
DJ Grint, K Wing, E Williamson, HI McDonald, K Bhaskaran, D Evans, ...
Eurosurveillance 26 (11), 2100256, 2021
2182021
Opioid prescribing trends and geographical variation in England, 1998–2018: a retrospective database study
HJ Curtis, R Croker, AJ Walker, GC Richards, J Quinlan, B Goldacre
The Lancet Psychiatry 6 (2), 140-150, 2019
2022019
Use of non-steroidal anti-inflammatory drugs and risk of death from COVID-19: an OpenSAFELY cohort analysis based on two cohorts
AYS Wong, B MacKenna, CE Morton, A Schultze, AJ Walker, K Bhaskaran, ...
Annals of the rheumatic diseases 80 (7), 943-951, 2021
1112021
Risks of covid-19 hospital admission and death for people with learning disability: population based cohort study using the OpenSAFELY platform
EJ Williamson, HI McDonald, K Bhaskaran, AJ Walker, S Bacon, S Davy, ...
bmj 374, 2021
1062021
Trends and clinical characteristics of COVID-19 vaccine recipients: a federated analysis of 57.9 million patients' primary care records in situ using OpenSAFELY
HJ Curtis, P Inglesby, CE Morton, B MacKenna, A Green, W Hulme, ...
British Journal of General Practice 72 (714), e51-e62, 2022
962022
Clinical coding of long COVID in English primary care: a federated analysis of 58 million patient records in situ using OpenSAFELY
AJ Walker, B MacKenna, P Inglesby, L Tomlinson, CT Rentsch, HJ Curtis, ...
British Journal of General Practice 71 (712), e806-e814, 2021
902021
Association between living with children and outcomes from covid-19: OpenSAFELY cohort study of 12 million adults in England
H Forbes, CE Morton, S Bacon, HI McDonald, C Minassian, JP Brown, ...
bmj 372, 2021
902021
Risk of severe COVID-19 outcomes associated with immune-mediated inflammatory diseases and immune-modifying therapies: a nationwide cohort study in the OpenSAFELY platform
B MacKenna, NA Kennedy, A Mehrkar, A Rowan, J Galloway, ...
The Lancet Rheumatology 4 (7), e490-e506, 2022
862022
Severity of severe acute respiratory system coronavirus 2 (SARS-CoV-2) alpha variant (B. 1.1. 7) in England
DJ Grint, K Wing, C Houlihan, HP Gibbs, SJW Evans, E Williamson, ...
Clinical Infectious Diseases 75 (1), e1120-e1127, 2022
862022
Trends, regional variation, and clinical characteristics of COVID-19 vaccine recipients: a retrospective cohort study in 23.4 million patients using OpenSAFELY
OpenSAFELY Collaborative, B MacKenna, HJ Curtis, CE Morton, ...
MedRxiv, 2021.01. 25.21250356, 2021
642021
Effect of pre-exposure use of hydroxychloroquine on COVID-19 mortality: a population-based cohort study in patients with rheumatoid arthritis or systemic lupus erythematosus …
CT Rentsch, NJ DeVito, B MacKenna, CE Morton, K Bhaskaran, JP Brown, ...
The Lancet Rheumatology 3 (1), e19-e27, 2021
632021
Mortality among Care Home Residents in England during the first and second waves of the COVID-19 pandemic: an observational study of 4.3 million adults over the age of 65
A Schultze, E Nightingale, D Evans, W Hulme, A Rosello, C Bates, ...
The Lancet Regional Health–Europe 14, 2022
482022
Ethnic differences in COVID-19 infection, hospitalisation, and mortality: an OpenSAFELY analysis of 17 million adults in England
OpenSAFELY Collaborative, R Mathur, CT Rentsch, CE Morton, ...
MedRxiv, 2020.09. 22.20198754, 2020
412020
Waning effectiveness of BNT162b2 and ChAdOx1 covid-19 vaccines over six months since second dose: OpenSAFELY cohort study using linked electronic health records
EMF Horne, WJ Hulme, RH Keogh, TM Palmer, EJ Williamson, ...
bmj 378, 2022
402022
Why did some practices not implement new antibiotic prescribing guidelines on urinary tract infection? A cohort study and survey in NHS England primary care
R Croker, AJ Walker, B Goldacre
Journal of Antimicrobial Chemotherapy 74 (4), 1125-1132, 2019
342019
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