Author: Richard Croker

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Preprints

Risk of severe COVID-19 outcomes associated with immune-mediated inflammatory diseases and immune modifying therapies: a nationwide cohort study in the OpenSAFELY platform

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OpenSAFELY: factors associated with COVID-19-related hospital death in the linked electronic health records of 17 million adult NHS patients.

• Downloaded 159,139 times
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  • Site-wide: 22
  • In epidemiology: 6
• Year to date:
  • Site-wide: 317
• Since beginning of last month:
  • Site-wide: 884

Association between living with children and outcomes from COVID-19: an OpenSAFELY cohort study of 12 million adults in England

• Downloaded 12,369 times
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  • Site-wide: 715
  • In epidemiology: 104
• Year to date:
  • Site-wide: 486
• Since beginning of last month:
  • Site-wide: 27,619

Case fatality risk of the SARS-CoV-2 variant of concern B.1.1.7 in England

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  • Site-wide: 961
  • In infectious diseases: 300
• Year to date:
  • Site-wide: 197
• Since beginning of last month:
  • Site-wide: 12,886

Trends and clinical characteristics of COVID-19 vaccine recipients: a federated analysis of 57.9 million patients primary care records in situ using OpenSAFELY.

• Downloaded 4,819 times
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  • Site-wide: 2,480
  • In public and global health: 87
• Year to date:
  • Site-wide: 426
• Since beginning of last month:
  • Site-wide: 2,568

Inhaled corticosteroid use and risk COVID-19 related death among 966,461 patients with COPD or asthma: an OpenSAFELY analysis

• Downloaded 2,607 times
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  • Site-wide: 5,899
  • In respiratory medicine: 27
• Year to date:
  • Site-wide: 15,554
• Since beginning of last month:
  • Site-wide: 42,787

Ethnic differences in COVID-19 infection, hospitalisation, and mortality: an OpenSAFELY analysis of 17 million adults in England

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  • Site-wide: 7,988
  • In epidemiology: 644
• Year to date:
  • Site-wide: 4,250
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  • Site-wide: 27,486

The clinician impact and financial cost to the NHS of litigation over pregabalin: a cohort study in English primary care

• Downloaded 1,851 times
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  • Site-wide: 9,797
  • In epidemiology: 754
• Year to date:
  • Site-wide: 101,606
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  • Site-wide: None

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

• Downloaded 982 times
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  • Site-wide: 25,057
  • In health systems and quality improvement: 39
• Year to date:
  • Site-wide: 3,204
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  • Site-wide: 18,910

Rates of serious clinical outcomes in survivors of hospitalisation with COVID-19: a descriptive cohort study within the OpenSAFELY platform

• Downloaded 968 times
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  • Site-wide: 25,624
  • In epidemiology: 1,465
• Year to date:
  • Site-wide: 3,252
• Since beginning of last month:
  • Site-wide: 28,353

OpenSAFELY: Do adults prescribed Non-steroidal anti-inflammatory drugs have an increased risk of death from COVID-19?

• Downloaded 917 times
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  • Site-wide: 27,649
  • In infectious diseases: 2,247
• Year to date:
  • Site-wide: 35,476
• Since beginning of last month:
  • Site-wide: 106,431

Hydroxychloroquine for prevention of COVID-19 mortality: a population-based cohort study

• Downloaded 840 times
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  • Site-wide: 31,222
  • In infectious diseases: 2,393
• Year to date:
  • Site-wide: 55,593
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  • Site-wide: 106,657

A New Mechanism To Identify Cost Savings in NHS Prescribing: Minimising 'Price-Per-Unit'

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  • Site-wide: 31,503
  • In epidemiology: 1,660
• Year to date:
  • Site-wide: 140,229
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  • Site-wide: 75,381

Why did some practices not implement new antibiotic prescribing guidelines on urinary tract infection? A cohort study and survey in NHS England primary care

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  • Site-wide: 39,934
  • In microbiology: 2,427
• Year to date:
  • Site-wide: 43,555
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  • Site-wide: 7,395

Clinical coding of long COVID in English primary care: a federated analysis of 58 million patient records in situ using OpenSAFELY

• Downloaded 674 times
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  • Site-wide: 42,244
  • In epidemiology: 2,071
• Year to date:
  • Site-wide: 5,514
• Since beginning of last month:
  • Site-wide: 809

Trends and variation in unsafe prescribing of methotrexate: a cohort study in English NHS primary care.

• Downloaded 543 times
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  • Site-wide: 55,446
  • In health systems and quality improvement: 76
• Year to date:
  • Site-wide: 70,841
• Since beginning of last month:
  • Site-wide: 104,065

OpenSAFELY: impact of national guidance on switching from warfarin to direct oral anticoagulants (DOACs) in early phase of COVID-19 pandemic in England

• Downloaded 507 times
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  • Site-wide: 60,198
  • In cardiovascular medicine: 92
• Year to date:
  • Site-wide: 17,223
• Since beginning of last month:
  • Site-wide: 17,245

Trends and variation in prescribing of suboptimal statin treatment regimes: a cohort study in English primary care

• Downloaded 427 times
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  • Site-wide: 72,315
  • In cardiovascular medicine: 124
• Year to date:
  • Site-wide: 82,154
• Since beginning of last month:
  • Site-wide: 104,201

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

• Downloaded 397 times
• Download rankings, all-time:
  • Site-wide: 77,494
  • In infectious diseases: 3,714
• Year to date:
  • Site-wide: 11,882
• Since beginning of last month:
  • Site-wide: 28,505

OpenSAFELY: Risks of COVID-19 hospital admission and death for people with learning disabilities - a cohort study.

• Downloaded 364 times
• Download rankings, all-time:
  • Site-wide: 83,807
  • In infectious diseases: 3,878
• Year to date:
  • Site-wide: 13,435
• Since beginning of last month:
  • Site-wide: 110,942

Impact Of Electronic Health Record Interface Design On Unsafe Prescribing Of Ciclosporin, Tacrolimus and Diltiazem: A Cohort Study In English NHS Primary Care

• Downloaded 360 times
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  • Site-wide: 84,522
  • In health informatics: 311
• Year to date:
  • Site-wide: 95,388
• Since beginning of last month:
  • Site-wide: None

Association between oral anticoagulants and COVID-19 related outcomes: two cohort studies

• Downloaded 322 times
• Download rankings, all-time:
  • Site-wide: 92,682
  • In epidemiology: 3,888
• Year to date:
  • Site-wide: 16,088
• Since beginning of last month:
  • Site-wide: 55,273

Trends, geographic variation, and factors associated with prescribing of gluten-free foods in English primary care: a cross sectional study

• Downloaded 282 times
• Download rankings, all-time:
  • Site-wide: 101,844
  • In epidemiology: 4,267
• Year to date:
  • Site-wide: 151,655
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  • Site-wide: None

Changes in the rate of cardiometabolic and pulmonary events during the COVID-19 pandemic

• Downloaded 260 times
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  • Site-wide: 106,958
  • In epidemiology: 4,470
• Year to date:
  • Site-wide: 21,513
• Since beginning of last month:
  • Site-wide: 110,556

Measuring the Impact of an Open Online Prescribing Data Analysis Service on Clinical Practice: a Cohort Study in NHS England Data

• Downloaded 255 times
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  • Site-wide: 108,310
  • In epidemiology: 4,510
• Year to date:
  • Site-wide: 146,635
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  • Site-wide: 30,567

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

• Downloaded 251 times
• Download rankings, all-time:
  • Site-wide: 109,365
  • In epidemiology: 4,565
• Year to date:
  • Site-wide: 141,515
• Since beginning of last month:
  • Site-wide: 8,895

Predicting COVID-19 related death using the OpenSAFELY platform

• Downloaded 180 times
• Download rankings, all-time:
  • Site-wide: 126,808
  • In infectious diseases: 5,046
• Year to date:
  • Site-wide: 34,200
• Since beginning of last month:
  • Site-wide: 16,094

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

• Downloaded 76 times
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  • Site-wide: 147,501
  • In epidemiology: 6,061
• Year to date:
  • Site-wide: 80,088
• Since beginning of last month:
  • Site-wide: 41,403

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

• Downloaded 21 times
• Download rankings, all-time:
  • Site-wide: 151,600
  • In primary care research: 117
• Year to date:
  • Site-wide: 146,086
• Since beginning of last month:
  • Site-wide: 26,566

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

• Downloaded 11 times
• Download rankings, all-time:
  • Site-wide: 152,280
  • In public and global health: 2,109
• Year to date:
  • Site-wide: 152,130
• Since beginning of last month:
  • Site-wide: 6,421