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F. Hester · SciRah

Researcher profile · Semantic Scholar

F. Hester

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F. Hester — researcher profile on SciRah

h-index: 26
Works: 85
Citations: 8,483

Most-cited papers

OpenSAFELY: factors associated with COVID-19 death in 17 million patients
E. Williamson, A. Walker, K. Bhaskaran, S. Bacon +26 more
2020Nature4,792 citations Open access
Semantic Scholar
OpenSAFELY: factors associated with COVID-19-related hospital death in the linked electronic health records of 17 million adult NHS patients.
E. Williamson, A. Walker, K. Bhaskaran, S. Bacon +26 more
2020medRxiv681 citations Open access
Semantic Scholar
HIV infection and COVID-19 death: a population-based cohort analysis of UK primary care data and linked national death registrations within the OpenSAFELY platform
K. Bhaskaran, C. Rentsch, B. Mackenna, A. Schultze +21 more
2020medRxiv388 citations Open access
Semantic Scholar
Ethnic differences in COVID-19 infection, hospitalisation, and mortality: an OpenSAFELY analysis of 17 million adults in England
R. Mathur, C. Rentsch, C. Morton, W. Hulme +33 more
2021The Lancet368 citations Open access
Semantic Scholar
Risk of COVID-19-related death among patients with chronic obstructive pulmonary disease or asthma prescribed inhaled corticosteroids: an observational cohort study using the OpenSAFELY platform
Anna Schultze, A. Walker, B. Mackenna, C. Morton +28 more
2020The Lancet Respiratory Medicine227 citations Open access
Semantic Scholar
Case fatality risk of the SARS-CoV-2 variant of concern B.1.1.7 in England, 16 November to 5 February
D. Grint, Kevin Wing, E. Williamson, H. McDonald +32 more
2021medRxiv183 citations Open access
Semantic Scholar
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
K. Bhaskaran, S. Bacon, S. Evans, C. Bates +23 more
2021medRxiv179 citations Open access
Semantic Scholar
Trends and clinical characteristics of COVID-19 vaccine recipients: a federated analysis of 57.9 million patients' primary care records in situ using OpenSAFELY
H. Curtis, P. Inglesby, C. Morton, B. Mackenna +41 more
2021The British journal of general practice : the journal of the Royal College of General Practitioners112 citations Open access
Semantic Scholar
Clinical coding of long COVID in English primary care: a federated analysis of 58 million patient records in situ using OpenSAFELY
T. O. Collaborative, A. Walker, B. Mackenna, P. Inglesby +40 more
2021medRxiv111 citations Open access
Semantic Scholar
Risks of covid-19 hospital admission and death for people with learning disability: population based cohort study using the OpenSAFELY platform
Elizabeth J. Williamson, Helen I. McDonald, K. Bhaskaran, A. Walker +32 more
2021British medical journal109 citations Open access
Semantic Scholar
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, Nicholas A. Kennedy, A. Mehrkar, A. Rowan +44 more
2021medRxiv98 citations Open access
Semantic Scholar
Severity of Severe Acute Respiratory System Coronavirus 2 (SARS-CoV-2) Alpha Variant (B.1.1.7) in England
D. Grint, K. Wing, C. Houlihan, H. Gibbs +33 more
2021Clinical Infectious Diseases91 citations Open access
Semantic Scholar
Use of non-steroidal anti-inflammatory drugs and risk of death from COVID-19: an OpenSAFELY cohort analysis based on two cohorts
A. Wong, B. Mackenna, C. Morton, A. Schultze +28 more
2021Annals of the Rheumatic Diseases77 citations Open access
Semantic Scholar
OpenSAFELY: Representativeness of electronic health record platform OpenSAFELY-TPP data compared to the population of England
C. Andrews, Anna Schultze, Helen J. Curtis, W. Hulme +18 more
2022medRxiv73 citations Open access
Semantic Scholar
Association between living with children and outcomes from COVID-19: an OpenSAFELY cohort study of 12 million adults in England
H. Forbes, C. Morton, S. Bacon, Helen I. McDonald +31 more
2020medRxiv71 citations Open access
Semantic Scholar
Trends, regional variation, and clinical characteristics of COVID-19 vaccine recipients: a retrospective cohort study in 23.4 million patients using OpenSAFELY.
B. Mackenna, H. Curtis, C. Morton, P. Inglesby +31 more
2021medRxiv70 citations Open access
Semantic Scholar
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
Anna Schultze, E. Nightingale, D. Evans, W. Hulme +38 more
2022The Lancet Regional Health - Europe65 citations Open access
Semantic Scholar
Changes in COVID-19-related mortality across key demographic and clinical subgroups in England from 2020 to 2022: a retrospective cohort study using the OpenSAFELY platform
L. Nab, E. Parker, Colm D Andrews, W. Hulme +30 more
2023Lancet Public Health64 citations Open access
Semantic Scholar
Comparative effectiveness of sotrovimab and molnupiravir for prevention of severe covid-19 outcomes in patients in the community: observational cohort study with the OpenSAFELY platform
Bang Zheng, A. Green, J. Tazare, H. Curtis +29 more
2022British medical journal63 citations Open access
Semantic Scholar
Overall and cause-specific hospitalisation and death after COVID-19 hospitalisation in England: A cohort study using linked primary care, secondary care, and death registration data in the OpenSAFELY platform
K. Bhaskaran, C. Rentsch, George Hickman, W. Hulme +28 more
2022PLoS Medicine52 citations Open access
Semantic Scholar
Ethnic differences in COVID-19 infection, hospitalisation, and mortality: an OpenSAFELY analysis of 17 million adults in England
R. Mathur, C. Rentsch, C. Morton, W. Hulme +33 more
2020medRxiv43 citations Open access
Semantic Scholar
Describing the population experiencing COVID-19 vaccine breakthrough following second vaccination in England: a cohort study from OpenSAFELY
A. Green, H. Curtis, W. Hulme, Elizabeth J. Williamson +37 more
2021BMC Medicine35 citations Open access
Semantic Scholar
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 using the OpenSAFELY platform
C. Rentsch, N. Devito, B. Mackenna, C. Morton +29 more
2020The Lancet Rheumatology33 citations Open access
Semantic Scholar
OpenSAFELY: impact of national guidance on switching anticoagulant therapy during COVID-19 pandemic
H. Curtis, B. Mackenna, A. Walker, R. Croker +27 more
2021Open Heart31 citations Open access
Semantic Scholar
OpenSAFELY: a platform for analysing electronic health records designed for reproducible research
L. Nab, A. Schaffer, W. Hulme, N. Devito +41 more
2024Pharmacoepidemiology and Drug Safety27 citations Open access
Semantic Scholar
Safety of COVID-19 vaccination and acute neurological events: A self-controlled case series in England using the OpenSAFELY platform
J. Walker, Anna Schultze, J. Tazare, A. Tamborska +33 more
2022Vaccine27 citations Open access
Semantic Scholar
Comparative effectiveness of ChAdOx1 versus BNT162b2 covid-19 vaccines in health and social care workers in England: cohort study using OpenSAFELY
W. Hulme, E. Williamson, A. Green, K. Bhaskaran +38 more
2021British medical journal26 citations Open access
Semantic Scholar
Identifying Care Home Residents in Electronic Health Records - An OpenSAFELY Short Data Report
Anna Schultze, C. Bates, J. Cockburn, B. Mackenna +35 more
2021Wellcome Open Research25 citations Open access
Semantic Scholar
Comparative effectiveness of sotrovimab and molnupiravir for prevention of severe COVID-19 outcomes in non-hospitalised patients: an observational cohort study using the OpenSAFELY platform
Bang Zheng, A. Green, J. Tazare, Helen J. Curtis +29 more
2022medRxiv24 citations Open access
Semantic Scholar
Rates of serious clinical outcomes in survivors of hospitalisation with COVID-19: a descriptive cohort study within the OpenSAFELY platform
J. Tazare, A. Walker, L. Tomlinson, George Hickman +36 more
2021medRxiv24 citations Open access
Semantic Scholar
Trends, variation, and clinical characteristics of recipients of antiviral drugs and neutralising monoclonal antibodies for covid-19 in community settings: retrospective, descriptive cohort study of 23.4 million people in OpenSAFELY
A. Green, H. Curtis, R. Higgins, L. Nab +38 more
2023BMJ Medicine23 citations Open access
Semantic Scholar
OpenSAFELY NHS Service Restoration Observatory 1: primary care clinical activity in England during the first wave of COVID-19
H. Curtis, B. Mackenna, R. Croker, P. Inglesby +31 more
2021The British journal of general practice : the journal of the Royal College of General Practitioners23 citations Open access
Semantic Scholar
Inhaled corticosteroid use and risk COVID-19 related death among 966,461 patients with COPD or asthma: an OpenSAFELY analysis
Anna Schultze, A. Walker, B. Mackenna, C. Morton +28 more
2020medRxiv22 citations Open access
Semantic Scholar
Clinical and health inequality risk factors for non-COVID-related sepsis during the global COVID-19 pandemic: a national case-control and cohort study
Xiaomin Zhong, Diane Ashiru-Oredope, Alexander Pate, Glen P Martin +54 more
2023EClinicalMedicine16 citations Open access
Semantic Scholar
Comparative effectiveness of nirmatrelvir/ritonavir versus sotrovimab and molnupiravir for preventing severe COVID-19 outcomes in non-hospitalised high-risk patients during Omicron waves: observational cohort study using the OpenSAFELY platform
Bang Zheng, J. Tazare, L. Nab, A. Green +20 more
2023The Lancet Regional Health - Europe14 citations Open access
Semantic Scholar
Rates of serious clinical outcomes in survivors of hospitalisation with COVID-19 in England: a descriptive cohort study within the OpenSAFELY platform
J. Tazare, A. Walker, L. Tomlinson, George Hickman +36 more
2022Wellcome Open Research14 citations Open access
Semantic Scholar
Impact of the COVID-19 pandemic on antipsychotic prescribing in individuals with autism, dementia, learning disability, serious mental illness or living in a care home: a federated analysis of 59 million patients’ primary care records in situ using OpenSAFELY
O. Macdonald, A. Green, A. Walker, Helen J. Curtis +29 more
2023BMJ Mental Health12 citations Open access
Semantic Scholar
Association between living with children and outcomes from covid-19: OpenSAFELY cohort study of 12 million adults in England
H. Forbes, C. Morton, S. Bacon, Helen I. McDonald +31 more
2021British medical journal12 citations Open access
Semantic Scholar
OpenSAFELY: impact of national guidance on switching from warfarin to direct oral anticoagulants (DOACs) in early phase of COVID-19 pandemic in England
H. Curtis, B. Mackenna, A. Walker, R. Croker +30 more
2020medRxiv12 citations Open access
Semantic Scholar
Factors associated with COVID-19 vaccine uptake in people with kidney disease: an OpenSAFELY cohort study
T. O. Collaborative, E. Parker, J. Tazare, W. Hulme +26 more
2023BMJ Open11 citations Open access
Semantic Scholar
A comprehensive high cost drugs dataset from the NHS in England - An OpenSAFELY-TPP Short Data Report
A. Rowan, C. Bates, W. Hulme, D. Evans +43 more
2021Wellcome Open Research11 citations Open access
Semantic Scholar
Effectiveness of Sotrovimab and Molnupiravir in community settings in England across the Omicron BA.1 and BA.2 sublineages: emulated target trials using the OpenSAFELY platform
T. O. Collaborative, J. Tazare, L. Nab, B. Zheng +27 more
2023medRxiv10 citations Open access
Semantic Scholar
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
T. O. Collaborative, L. Nab, Edward P. K. Parker, C. Andrews +31 more
2022medRxiv10 citations Open access
Semantic Scholar
Potentially inappropriate prescribing of DOACs to people with mechanical heart valves: a federated analysis of 57.9 million patients’ primary care records in situ using OpenSAFELY
Louis Fisher, V. Speed, H. Curtis, C. Rentsch +42 more
2021medRxiv10 citations Open access
Semantic Scholar
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
Louis Fisher, L. Hopcroft, Sarah Rodgers, James Barrett +35 more
2022medRxiv9 citations Open access
Semantic Scholar
OpenSAFELY: Risks of COVID-19 hospital admission and death for people with learning disabilities - a cohort study.
E. Williamson, Helen I. McDonald, K. Bhaskaran, A. Walker +32 more
2021medRxiv9 citations Open access
Semantic Scholar
Consistency, completeness and external validity of ethnicity recording in NHS primary care records: a cohort study in 25 million patients’ records at source using OpenSAFELY
C. Andrews, R. Mathur, J. Massey, Robin Y. Park +26 more
2023BMC Medicine7 citations Open access
Semantic Scholar
Comparison of methods for predicting COVID-19-related death in the general population using the OpenSAFELY platform
E. Williamson, J. Tazare, K. Bhaskaran, H. Mcdonald +41 more
2022Diagnostic and Prognostic Research6 citations Open access
Semantic Scholar
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
H. Curtis, B. Mackenna, R. Croker, A. Walker +31 more
2021medRxiv6 citations Open access
Semantic Scholar
OpenSAFELY: Do adults prescribed Non-steroidal anti-inflammatory drugs have an increased risk of death from COVID-19?
Angel Y. S. Wong, B. Mackenna, C. Morton, Anna Schultze +27 more
2020medRxiv6 citations Open access
Semantic Scholar

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