Author: Richard Croker
- ORCiD: http://orcid.org/0000-0002-8114-9186
- Most recently observed institution: The Bennett Institute for Applied Data Science, Nuffield Department of Primary Care Health Sciences, University of Oxford, OX26GG, UK
Rankings
- All-time downloads: 221,984 (rank: 478 )
- Categories:
- cardiovascular medicine: 1,181 (rank: 607 (tie) )
- epidemiology: 187,606 (rank: 81 )
- health informatics: 419 (rank: 2,761 (tie) )
- health systems and quality improvement: 1,850 (rank: 250 (tie) )
- infectious diseases: 14,500 (rank: 5,102 )
- microbiology: 819 (rank: 24,910 (tie) )
- primary care research: 357 (rank: 767 (tie) )
- public and global health: 6,209 (rank: 1,004 (tie) )
- respiratory medicine: 2,805 (rank: 444 (tie) )
Downloads per author, site-wide
Preprints
OpenSAFELY: factors associated with COVID-19-related hospital death in the linked electronic health records of 17 million adult NHS patients.
epidemiology more details view paper- Downloaded 163,428 times
- Download rankings, all-time:
- Site-wide: 33
- In epidemiology: 7
- Year to date:
- Site-wide: 637
- Since beginning of last month:
- Site-wide: 546
Association between living with children and outcomes from COVID-19: an OpenSAFELY cohort study of 12 million adults in England
epidemiology more details view paper- Downloaded 13,240 times
- Download rankings, all-time:
- Site-wide: 891
- In epidemiology: 130
- Year to date:
- Site-wide: 17,591
- Since beginning of last month:
- Site-wide: 24,284
Case fatality risk of the SARS-CoV-2 variant of concern B.1.1.7 in England
infectious diseases more details view paper- Downloaded 10,942 times
- Download rankings, all-time:
- Site-wide: 1,149
- In infectious diseases: 371
- Year to date:
- Site-wide: 7,316
- Since beginning of last month:
- Site-wide: 4,529
Trends and clinical characteristics of COVID-19 vaccine recipients: a federated analysis of 57.9 million patients primary care records in situ using OpenSAFELY.
public and global health more details view paper- Downloaded 6,284 times
- Download rankings, all-time:
- Site-wide: 2,328
- In public and global health: 90
- Year to date:
- Site-wide: 4,064
- Since beginning of last month:
- Site-wide: 2,970
Inhaled corticosteroid use and risk COVID-19 related death among 966,461 patients with COPD or asthma: an OpenSAFELY analysis
respiratory medicine more details view paper- Downloaded 2,852 times
- Download rankings, all-time:
- Site-wide: 7,013
- In respiratory medicine: 28
- Year to date:
- Site-wide: 51,913
- Since beginning of last month:
- Site-wide: 62,824
Ethnic differences in COVID-19 infection, hospitalisation, and mortality: an OpenSAFELY analysis of 17 million adults in England
epidemiology more details view paper- Downloaded 2,481 times
- Download rankings, all-time:
- Site-wide: 8,591
- In epidemiology: 707
- Year to date:
- Site-wide: 23,906
- Since beginning of last month:
- Site-wide: 30,056
The clinician impact and financial cost to the NHS of litigation over pregabalin: a cohort study in English primary care
epidemiology more details view paper- Downloaded 1,904 times
- Download rankings, all-time:
- Site-wide: 12,750
- In epidemiology: 916
- Year to date:
- Site-wide: 134,516
- Since beginning of last month:
- Site-wide: 142,267
Comparative effectiveness of ChAdOx1 versus BNT162b2 COVID-19 vaccines in Health and Social Care workers in England: a cohort study using OpenSAFELY
epidemiology more details view paper- Downloaded 1,805 times
- Download rankings, all-time:
- Site-wide: 13,763
- In epidemiology: 1,021
- Year to date:
- Site-wide: 17,975
- Since beginning of last month:
- Site-wide: 41,936
Rates of serious clinical outcomes in survivors of hospitalisation with COVID-19: a descriptive cohort study within the OpenSAFELY platform
epidemiology more details view paper- Downloaded 1,488 times
- Download rankings, all-time:
- Site-wide: 18,457
- In epidemiology: 1,344
- Year to date:
- Site-wide: 10,368
- Since beginning of last month:
- Site-wide: 9,986
Describing the population experiencing COVID-19 vaccine breakthrough following second vaccination in England: A cohort study from OpenSAFELY
epidemiology more details view paper- Downloaded 1,356 times
- Download rankings, all-time:
- Site-wide: 21,345
- In epidemiology: 1,607
- Year to date:
- Site-wide: 4,197
- Since beginning of last month:
- Site-wide: 16,019
OpenSAFELY NHS Service Restoration Observatory 1: describing trends and variation in primary care clinical activity for 23.3 million patients in England during the first wave of COVID-19
health systems and quality improvement more details view paper- Downloaded 1,246 times
- Download rankings, all-time:
- Site-wide: 24,356
- In health systems and quality improvement: 41
- Year to date:
- Site-wide: 53,410
- Since beginning of last month:
- Site-wide: 69,884
Clinical coding of long COVID in English primary care: a federated analysis of 58 million patient records in situ using OpenSAFELY
epidemiology more details view paper- Downloaded 1,175 times
- Download rankings, all-time:
- Site-wide: 26,639
- In epidemiology: 1,592
- Year to date:
- Site-wide: 34,982
- Since beginning of last month:
- Site-wide: 27,425
OpenSAFELY: Do adults prescribed Non-steroidal anti-inflammatory drugs have an increased risk of death from COVID-19?
infectious diseases more details view paper- Downloaded 1,086 times
- Download rankings, all-time:
- Site-wide: 30,049
- In infectious diseases: 2,680
- Year to date:
- Site-wide: 73,415
- Since beginning of last month:
- Site-wide: 111,109
Hydroxychloroquine for prevention of COVID-19 mortality: a population-based cohort study
infectious diseases more details view paper- Downloaded 940 times
- Download rankings, all-time:
- Site-wide: 37,306
- In infectious diseases: 2,978
- Year to date:
- Site-wide: 115,550
- Since beginning of last month:
- Site-wide: 109,961
Why did some practices not implement new antibiotic prescribing guidelines on urinary tract infection? A cohort study and survey in NHS England primary care
microbiology more details view paper- Downloaded 884 times
- Download rankings, all-time:
- Site-wide: 40,769
- In microbiology: 2,471
- Year to date:
- Site-wide: 54,784
- Since beginning of last month:
- Site-wide: 65,319
A New Mechanism To Identify Cost Savings in NHS Prescribing: Minimising 'Price-Per-Unit'
epidemiology more details view paper- Downloaded 875 times
- Download rankings, all-time:
- Site-wide: 41,322
- In epidemiology: 2,046
- Year to date:
- Site-wide: 176,301
- Since beginning of last month:
- Site-wide: 144,151
Waning effectiveness of BNT162b2 and ChAdOx1 COVID-19 vaccines over six months since second dose: a cohort study using linked electronic health records
infectious diseases more details view paper- Downloaded 797 times
- Download rankings, all-time:
- Site-wide: 47,568
- In infectious diseases: None
- Year to date:
- Site-wide: 2,433
- Since beginning of last month:
- Site-wide: 7,190
OpenSAFELY: impact of national guidance on switching from warfarin to direct oral anticoagulants (DOACs) in early phase of COVID-19 pandemic in England
cardiovascular medicine more details view paper- Downloaded 740 times
- Download rankings, all-time:
- Site-wide: 52,895
- In cardiovascular medicine: 95
- Year to date:
- Site-wide: 65,862
- Since beginning of last month:
- Site-wide: 74,430
Risk of severe COVID-19 outcomes associated with immune-mediated inflammatory diseases and immune modifying therapies: a nationwide cohort study in the OpenSAFELY platform
infectious diseases more details view paper- Downloaded 728 times
- Download rankings, all-time:
- Site-wide: 54,101
- In infectious diseases: 4,495
- Year to date:
- Site-wide: 8,741
- Since beginning of last month:
- Site-wide: 3,756
Short report: Ethnicity and COVID-19 death in the early part of the COVID-19 second wave in England: an analysis of OpenSAFELY data from 1st September to 9th November 2020
infectious diseases more details view paper- Downloaded 686 times
- Download rankings, all-time:
- Site-wide: 58,864
- In infectious diseases: 4,131
- Year to date:
- Site-wide: 25,022
- Since beginning of last month:
- Site-wide: 6,946
Trends and variation in unsafe prescribing of methotrexate: a cohort study in English NHS primary care.
health systems and quality improvement more details view paper- Downloaded 676 times
- Download rankings, all-time:
- Site-wide: 60,078
- In health systems and quality improvement: 83
- Year to date:
- Site-wide: 89,065
- Since beginning of last month:
- Site-wide: 87,841
Trends, variation and clinical characteristics of recipients of antivirals and neutralising monoclonal antibodies for non-hospitalised COVID-19: a descriptive cohort study of 23.4 million people in OpenSAFELY
primary care research more details view paper- Downloaded 657 times
- Download rankings, all-time:
- Site-wide: 62,379
- In primary care research: None
- Year to date:
- Site-wide: 3,281
- Since beginning of last month:
- Site-wide: 3,052
OpenSAFELY: Risks of COVID-19 hospital admission and death for people with learning disabilities - a cohort study.
infectious diseases more details view paper- Downloaded 590 times
- Download rankings, all-time:
- Site-wide: 71,756
- In infectious diseases: 4,311
- Year to date:
- Site-wide: 50,796
- Since beginning of last month:
- Site-wide: 31,301
Association between oral anticoagulants and COVID-19 related outcomes: two cohort studies
epidemiology more details view paper- Downloaded 510 times
- Download rankings, all-time:
- Site-wide: 85,481
- In epidemiology: 3,699
- Year to date:
- Site-wide: 59,274
- Since beginning of last month:
- Site-wide: 64,066
Trends and variation in prescribing of suboptimal statin treatment regimes: a cohort study in English primary care
cardiovascular medicine more details view paper- Downloaded 500 times
- Download rankings, all-time:
- Site-wide: 87,580
- In cardiovascular medicine: 182
- Year to date:
- Site-wide: 119,962
- Since beginning of last month:
- Site-wide: 121,074
Changes in the rate of cardiometabolic and pulmonary events during the COVID-19 pandemic
epidemiology more details view paper- Downloaded 450 times
- Download rankings, all-time:
- Site-wide: 98,259
- In epidemiology: 4,551
- Year to date:
- Site-wide: 44,183
- Since beginning of last month:
- Site-wide: 18,695
Accident and emergency (AE) attendance in England following infection with SARS-CoV-2 Omicron or Delta
infectious diseases more details view paper- Downloaded 440 times
- Download rankings, all-time:
- Site-wide: 100,687
- In infectious diseases: None
- Year to date:
- Site-wide: 5,974
- Since beginning of last month:
- Site-wide: 730
Impact Of Electronic Health Record Interface Design On Unsafe Prescribing Of Ciclosporin, Tacrolimus and Diltiazem: A Cohort Study In English NHS Primary Care
health informatics more details view paper- Downloaded 434 times
- Download rankings, all-time:
- Site-wide: 101,974
- In health informatics: 389
- Year to date:
- Site-wide: 141,260
- Since beginning of last month:
- Site-wide: 136,064
Potentially inappropriate prescribing of DOACs to patients with mechanical heart valves: a federated analysis of 57.9 million patients' primary care records in situ using OpenSAFELY
primary care research more details view paper- Downloaded 407 times
- Download rankings, all-time:
- Site-wide: 108,539
- In primary care research: 95
- Year to date:
- Site-wide: 50,643
- Since beginning of last month:
- Site-wide: 64,831
Trends, geographic variation, and factors associated with prescribing of gluten-free foods in English primary care: a cross sectional study
epidemiology more details view paper- Downloaded 339 times
- Download rankings, all-time:
- Site-wide: 126,757
- In epidemiology: 5,011
- Year to date:
- Site-wide: 181,272
- Since beginning of last month:
- Site-wide: 170,801
Predicting COVID-19 related death using the OpenSAFELY platform
infectious diseases more details view paper- Downloaded 328 times
- Download rankings, all-time:
- Site-wide: 129,879
- In infectious diseases: 5,943
- Year to date:
- Site-wide: 71,234
- Since beginning of last month:
- Site-wide: 40,326
Trends and variation in Prescribing of Low-Priority Medicines Identified by NHS England: A Cross-Sectional Study and Interactive Data Tool in English Primary Care
epidemiology more details view paper- Downloaded 319 times
- Download rankings, all-time:
- Site-wide: 132,409
- In epidemiology: 5,261
- Year to date:
- Site-wide: 171,291
- Since beginning of last month:
- Site-wide: 144,178
Measuring the Impact of an Open Online Prescribing Data Analysis Service on Clinical Practice: a Cohort Study in NHS England Data
epidemiology more details view paper- Downloaded 313 times
- Download rankings, all-time:
- Site-wide: 134,220
- In epidemiology: 5,331
- Year to date:
- Site-wide: 164,859
- Since beginning of last month:
- Site-wide: 162,741
Recording of 'COVID-19 vaccine declined' among vaccination priority groups: a cohort study on 57.9 million NHS patients' primary care records in situ using OpenSAFELY
public and global health more details view paper- Downloaded 279 times
- Download rankings, all-time:
- Site-wide: 144,276
- In public and global health: 1,952
- Year to date:
- Site-wide: 80,007
- Since beginning of last month:
- Site-wide: 99,129
Effectiveness of BNT162b2 booster doses in England: an observational study in OpenSAFELY-TPP
epidemiology more details view paper- Downloaded 258 times
- Download rankings, all-time:
- Site-wide: 150,788
- In epidemiology: None
- Year to date:
- Site-wide: 13,431
- Since beginning of last month:
- Site-wide: 1,751
Mortality among Care Home Residents in England during the first and second waves of the COVID-19 pandemic: an analysis of 4.3 million adults over the age of 65
epidemiology more details view paper- Downloaded 168 times
- Download rankings, all-time:
- Site-wide: 174,233
- In epidemiology: 6,867
- Year to date:
- Site-wide: 109,003
- Since beginning of last month:
- Site-wide: 80,661
Changes in English medication safety indicators throughout the COVID-19 pandemic: a federated analysis of 57 million patients' primary care records in situ using OpenSAFELY
primary care research more details view paper- Downloaded 144 times
- Download rankings, all-time:
- Site-wide: 179,149
- In primary care research: None
- Year to date:
- Site-wide: 30,035
- Since beginning of last month:
- Site-wide: 4,329
A hypothesis-free data science approach to identifying novel patterns of clinical interest in clinicians' treatment preferences: clusters of high Pericyazine and Promazine use in England
psychiatry and clinical psychology more details view paper- Downloaded 133 times
- Download rankings, all-time:
- Site-wide: 181,062
- In psychiatry and clinical psychology: None
- Year to date:
- Site-wide: 33,297
- Since beginning of last month:
- Site-wide: 106,167
OpenSAFELY NHS Service Restoration Observatory 2: changes in primary care activity across six clinical areas during the COVID-19 pandemic
primary care research more details view paper- Downloaded 102 times
- Download rankings, all-time:
- Site-wide: 185,377
- In primary care research: None
- Year to date:
- Site-wide: 44,978
- Since beginning of last month:
- Site-wide: 7,713
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