Patient Characteristics Associated with Repeat Antibiotic Prescribing Pre- and during the COVID-19 Pandemic: A Retrospective Nationwide Cohort Study of >19 Million Primary Care Rec... by Alex Orlek, Eleanor Harvey, Louis Fisher, Amir Mehrkar, Seb Bacon, Ben Goldacre, Brian MacKenna, Diane Ashiru-Oredope

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Trends in inequalities in avoidable hospitalisations across the COVID-19 pandemic: a cohort study of 23.5 million people in England by John Macleod, Aziz Sheikh, Srinivasa Vittal Katikireddi, Mark Alan Green, Syed Ahmar Shah, Seb Bacon, Amir Mehrkar, Jon Massey

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The Use of Online Consultation Systems or Remote Consulting in England Characterized Through the Primary Care Health Records of 53 Million People in the OpenSAFELY Platform: Retros... by Martina Fonseca, Brian MacKenna, Amir Mehrkar, Caroline E Walters, George Hickman, Jonathan Pearson, Louis Fisher, Peter Inglesby, Seb Bacon, Simon Davy, William Hulme, Ben Goldacre, Ofra Koffman, Minal Bakhai

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Healthcare in England was affected by the COVID-19 pandemic across the pancreatic cancer pathway: A cohort study using OpenSAFELY-TPP by Agnieszka Lemanska, Colm Andrews, Louis Fisher, Seb Bacon, Adam E Frampton, Amir Mehrkar, Peter Inglesby, Simon Davy, Keith Roberts, Praveetha Patalay, Ben Goldacre, Brian MacKenna, The OpenSAFELY Collaborative, Alex J Walker

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Evaluation of the impact of COVID-19 pandemic on hospital admission related to common infections: Risk prediction models to tackle antimicrobial resistance in primary care. by Ali Fahmi, Victoria Palin, Xiaomin Zhong, Ya-Ting Yang, Simon Watts, Darren M Ashcroft, Ben Goldacre, Brian MacKenna, Louis Fisher, Jon Massey, Amir Mehrkar, Seb Bacon, OpenSAFELY Collaborative, Kieran Hand, Tjeerd Pieter van Staa

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Protocol for an OpenSAFELY cohort study collecting patient-reported outcome measures using the TPP Airmid smartphone application and linked big data to quantify the health and econ... by Michael Marks, Mark Jit, Frank Sandmann, Ben Goldacre, Liam Smeeth, Laurie A Tomlinson, Liang-Yu Lin, Emily Herrett, Deb Smith, Jessica Morley, Andrew Briggs, Seb Bacon, Amir Mehrkar, John Parry, Keith Tomlin, Viyaasan Mahalingasivam, Christopher Bates, Benjamin Butler-Cole, Alan Dennison, Ethan Gabriel, Rosalind M M Eggo

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Implementing Germ Defence digital behaviour change intervention via all primary care practices in England to reduce respiratory infections during the COVID-19 pandemic: an efficien... by Ben Ainsworth, Jeremy Horwood, Scott R. Walter, Sascha Miller, Melanie Chalder, Frank De Vocht, James Denison-Day, Martha M. C. Elwenspoek, Helen J. Curtis, Chris Bates, Amir Mehrkar, Seb Bacon, Ben Goldacre, The OpenSAFELY Collaborative, Pippa Craggs, Richard Amlôt, Nick Francis, Paul Little, John Macleod, Michael Moore, Kate Morton, Cathy Rice, Jonathan Sterne, Beth Stuart, Lauren Towler, Merlin L. Willcox, Lucy Yardley

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OpenSAFELY: impact of national guidance on switching anticoagulant therapy during COVID-19 pandemic by Ben Goldacre, David Evans, Sam Harper, Alex J Walker, Richard Croker, Liam Smeeth, Rohini Mathur, Krishnan Bhaskaran, Henry Drysdale, Ian Douglas, Harriet Forbes, Elizabeth Williamson, Brian MacKenna, William Hulme, Anna Schultze, Christopher T Rentsch, Seb Bacon, Chris Bates, Helen J Curtis, Amir Mehrkar, Peter Inglesby, Jonathan Cockburn, Laurie Tomlinson, Rosalind M Eggo, John Parry, Frank Hester, Simon Davy, Angel Yun Wong, Caroline Morton, George Hickman, Tom Ward

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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 by The OpenSAFELY Collaborative, Colm D. Andrews, Rohini Mathur, Jon Massey, Robin Park, Helen J. Curtis, Lisa Hopcroft, Amir Mehrkar, Seb Bacon, George Hickman, Rebecca Smith, David Evans, Tom Ward, Simon Davy, Peter Inglesby, Iain Dillingham, Steven Maude, Thomas O’Dwyer, Ben F. C. Butler-Cole, Lucy Bridges, Chris Bates, John Parry, Frank Hester, Sam Harper, Jonathan Cockburn, Ben Goldacre, Brian MacKenna, Laurie A. Tomlinson, Alex J. Walker, William J. Hulme

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Impact of COVID-19 on recorded blood pressure screening and hypertension management in England: an analysis of monthly changes in the quality and outcomes framework indicators in O... by Richard J McManus, Ben Goldacre, David Evans, Alex J Walker, Christopher Wood, Jessica Morley, Brian MacKenna, Christopher T Rentsch, Seb Bacon, Chris Bates, Helen J Curtis, Amir Mehrkar, Peter Inglesby, Jonathan Cockburn, Laurie Tomlinson, John Parry, Frank Hester, Amelia Green, Miriam Samuel, Rose Higgins, Andrew D Brown, Viyaasan Mahalingasivam, Caroline Morton, Rebecca M Smith, Louis Fisher, Lisa Hopcroft, Jon Massey, Iain Dillingham, Steven Maude, Milan Wiedemann, Colm Andrews, Christine Cunningham, Victoria Speed, Caroline Walters

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Rates of serious clinical outcomes in survivors of hospitalisation with COVID-19 in England: a descriptive cohort study within the OpenSAFELY platform [version 1; peer review: 2 ap... by Richard Croker, Anna Schultze, Simon Davy, David Evans, John Parry, Angel YS. Wong, Alex J. Walker, Kevin Wing, Sam Harper, Liam Smeeth, Helen J. Curtis, Caroline E. Morton, Caroline Minassian, Helen I. McDonald, Emily Nightingale, Ian J Douglas, Ketaki Bhate, William J. Hulme, Emma Powell, Dorothea Nitsch, Frank Hester, Amy Mulick, Stephen JW. Evans, Charlotte Warren-Gash, Rosalind M. Eggo, Elizabeth J. Williamson, Krishnan Bhaskaran, John Tazare, Laurie A. Tomlinson, Chris Bates, Harriet Forbes, Peter Inglesby, Ben Goldacre, Brian MacKenna, Jonathan Cockburn, Rohini Mathur, Seb Bacon, George Hickman, Christopher T. Rentsch, Amir Mehrkar

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Eleven key measures for monitoring general practice clinical activity during COVID-19: A retrospective cohort study using 48 million adults’ primary care records in England through... by Louis Fisher, Helen J Curtis, Richard Croker, Milan Wiedemann, Victoria Speed, Christopher Wood, Andrew Brown, Lisa EM Hopcroft, Rose Higgins, Jon Massey, Peter Inglesby, Caroline E Morton, Alex J Walker, Jessica Morley, Amir Mehrkar, Seb Bacon, George Hickman, Orla Macdonald, Tom Lewis, Marion Wood, Martin Myers, Miriam Samuel, Robin Conibere, Wasim Baqir, Harpreet Sood, Charles Drury, Kiren Collison, Chris Bates, David Evans, Iain Dillingham, Tom Ward, Simon Davy, Rebecca M Smith, William Hulme, Amelia Green, John Parry, Frank Hester, Sam Harper, Jonathan Cockburn, Shaun O'Hanlon, Alex Eavis, Richard Jarvis, Dima Avramov, Paul Griffiths, Aaron Fowles, Nasreen Parkes, Brian MacKenna, Ben Goldacre

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