Articles by E. J. Williamson

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E. J. Williamson

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Changes in COVID-19-related mortality across key demographic and clinical subgroups: an observational cohort study using the OpenSAFELY platform on 18 million adults in England

27 April 2023 by Opensafely Collaborative and others at

University of Oxford

Epidemiology

Factors associated with COVID-19 vaccine uptake in people with kidney disease: an OpenSAFELY cohort study

31 January 2023 by Opensafely Collaborative and others

Infectious Diseases

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

20 August 2022 by H. Curtis and others at

University of Oxford

Public and Global Health

Comparative effectiveness of ChAdOx1 versus BNT162b2 COVID-19 vaccines in Health and Social Care workers in England: a cohort study using OpenSAFELY

21 July 2022 by W. Hulme and others

Epidemiology

Waning effectiveness of BNT162b2 and ChAdOx1 COVID-19 vaccines over six months since second dose: a cohort study using linked electronic health records

21 July 2022 by E. Horne and others at

University of Bristol

Infectious Diseases

Describing the population experiencing COVID-19 vaccine breakthrough following second vaccination in England: A cohort study from OpenSAFELY

5 July 2022 by A. Green and others at

University of Oxford

Epidemiology

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

30 April 2022 by Rahul Mathur and others at

London School of Hygiene and Tropical Medicine

Epidemiology

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

29 April 2022 by J. Tazare and others at

University of Oxford

Epidemiology

Predicting COVID-19 related death using the OpenSAFELY platform

24 February 2022 by E. Williamson and others

Infectious Diseases

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

29 January 2022 by Opensafely Collaborative and others at

University of Oxford

Primary Care Research

Overall and cause-specific hospitalisation and death after COVID-19 hospitalisation in England: cohort study in OpenSAFELY using linked primary care, secondary care and death registration data

25 January 2022 by Kumar Bhaskaran and others at

London School of Hygiene and Tropical Medicine

Infectious Diseases

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

10 January 2022 by Alexander Schultze and others

Epidemiology

Trends, regional variation, and clinical characteristics of COVID-19 vaccine recipients: a retrospective cohort study in 23.4 million patients using OpenSAFELY.

24 September 2021 by Brian Mackenna and others at

University of Oxford

Public and Global Health

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

24 September 2021 by H. Curtis and others at

University of Oxford

Health Systems and Quality Improvement

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

29 June 2021 by Opensafely Collaborative and others at

University of Oxford

Epidemiology

Factors associated with deaths due to COVID-19 versus other causes: population-based cohort analysis of UK primary care data and linked national death registrations within the OpenSAFELY platform

8 May 2021 by Kumar Bhaskaran and others at

London School of Hygiene and Tropical Medicine

Infectious Diseases

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

18 March 2021 by Hannah Forbes and others at

University of Oxford

Epidemiology

HIV infection and COVID-19 death: population-based cohort analysis of UK primary care data and linked national death registrations within the OpenSAFELY platform

13 December 2020 by Kumar Bhaskaran and others at

London School of Hygiene and Tropical Medicine

Infectious Diseases

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

5 November 2020 by C. Rentsch and others at

London School of Hygiene and Tropical Medicine

Infectious Diseases

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

24 September 2020 by Opensafely Collaborative and others at

University of Oxford

Respiratory Medicine

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Epidemiology Infectious Diseases Public and Global Health Primary Care Research Health Systems and Quality Improvement Respiratory Medicine