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Recording of 'COVID-19 vaccine declined': a cohort study on 57.9 million National Health Service patients' records in situ using OpenSAFELY, England, 8 December 2020 to 25 May 2021.

Curtis, HJ; Inglesby, P; MacKenna, B; Croker, R; Hulme, WJ; Rentsch, CT; Bhaskaran, K; Mathur, R; Morton, CE; Bacon, SC;... (2022-08)

BackgroundPriority patients in England were offered COVID-19 vaccination by mid-April 2021. Codes in clinical record systems can denote the vaccine being declined.AimWe describe records of COVID-19 vaccines being declined, ...

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

Green, A; Curtis, H; Hulme, W; Williamson, E; McDonald, H; Bhaskaran, K; Rentsch, C; Schultze, A; MacKenna, B; Mahalingasivam, V;... (2022)

Association between oral anticoagulants and COVID-19-related outcomes: a population-based cohort study

Wong, AYS; Tomlinson, L; Brown, JP; Elson, W; Walker, AJ; Schultze, A; Morton, CE; Evans, D; Inglesby, P; MacKenna, B;... (2022)

OpenSAFELY NHS Service Restoration Observatory 1: primary care clinical activity in England during the first wave of COVID-19

Curtis, HJ; MacKenna, B; Croker, R; Inglesby, P; Walker, AJ; Morley, J; Mehrkar, A; Morton, CE; Bacon, S; Hickman, G;... (2022)

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

Schultze, A; Nightingale, E; Evans, D; Hulme, W; Rosello, A; Bates, C; Cockburn, J; MacKenna, B; Curtis, HJ; Morton, CE;... (2022)

OpenSAFELY: impact of national guidance on switching anticoagulant therapy during COVID-19 pandemic

Curtis, HJ; MacKenna, B; Walker, AJ; Croker, R; Mehrkar, A; Morton, C; Bacon, S; Hickman, G; Inglesby, P; Bates, C;... (2021)

Association between warfarin and COVID-19-related outcomes compared with direct oral anticoagulants: population-based cohort study

Wong, AYS; Tomlinson, LA; Brown, JP; Elson, W; Walker, AJ; Schultze, A; Morton, CE; Evans, D; Inglesby, P; MacKenna, B;... (2021)

Use of non-steroidal anti-inflammatory drugs and risk of death from COVID-19: an OpenSAFELY cohort analysis based on two cohorts

Wong, AYS; MacKenna, B; Morton, CE; Schultze, A; Walker, AJ; Bhaskaran, K; Brown, JP; Rentsch, CT; Williamson, E; Drysdale, H;... (2021)

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

Curtis, HJ; Inglesby, P; Morton, CE; MacKenna, B; Green, A; Hulme, W; Walker, AJ; Morley, J; Mehrkar, A; Bacon, S;... (2022)