Contributions of authors
Kevin Wing (https://orcid.org/0000-0003-2335-9641) (Assistant Professor of Epidemiology) applied for access to the clinical trial data used for matching and liaised with the study sponsor of the trial, did the formal analysis, contributed to the study methods, contributed to disease category conceptualisation and codelists, acquired ethics approval for the study, wrote the original manuscript draft, contributed to reviewing and editing of the manuscript, and approved the final manuscript.
Elizabeth Williamson (https://orcid.org/0000-0001-6905-876X) (Professor of Medical Statistics) contributed to the conceptualisation of the study, contributed to the study methods, contributed to reviewing and editing of the manuscript, was involved in design and conceptual development, and reviewed and approved the final manuscript.
James R Carpenter (https://orcid.org/0000-0003-3890-6206) (Professor of Medical Statistics) contributed to the conceptualisation of the study, contributed to reviewing and editing of the manuscript, was involved in design and conceptual development, and reviewed and approved the final manuscript.
Lesley Wise (https://orcid.org/0000-0002-5105-5509) (Honorary Associate Professor of Pharmacoepidemiology) contributed to the conceptualisation of the study, contributed to reviewing and editing of the manuscript, was involved in design and conceptual development, and reviewed and approved the final manuscript.
Sebastian Schneeweiss (https://orcid.org/0000-0003-2575-467X) (Professor of Medicine and Epidemiology) contributed to the conceptualisation of the study, contributed to reviewing and editing of the manuscript, was involved in design and conceptual development, and reviewed and approved the final manuscript.
Liam Smeeth (https://orcid.org/0000-0002-9168-6022) (Professor of Clinical Epidemiology) contributed to the conceptualisation of the study, contributed to reviewing and editing of the manuscript, was involved in design and conceptual development, and reviewed and approved the final manuscript.
Jennifer K Quint (https://orcid.org/0000-0003-0149-4869) (Professor of Respiratory Epidemiology) contributed to the conceptualisation of the study, contributed to disease category conceptualisation and codelists, contributed to reviewing and editing of the manuscript, was involved in design and conceptual development, and reviewed and approved the final manuscript.
Ian Douglas (https://orcid.org/0000-0002-8970-1406) (Professor of Pharmacoepidemiology) contributed to the conceptualisation of the study, contributed to the study methods, contributed to disease category conceptualisation and codelists, acquired ethics approval for the study, contributed to project administration, supervised the study, was involved in design and conceptual development, and reviewed and approved the final manuscript.
Publications
Wing K, Williamson E, Carpenter JR, Wise L, Schneeweiss S, Smeeth L, et al. Real-world effects of medications for chronic obstructive pulmonary disease: protocol for a UK population-based non-interventional cohort study with validation against randomised trial results. BMJ Open 2018;8:e019475.
Wing K, Williamson E, Carpenter JR, Wise L, Schneeweiss S, Smeeth L, et al. Real world effects of COPD medications: a cohort study with validation against RCT results. Eur Respir J 2021;57:2001586.
Data-sharing statement
All data analysed in this project was obtained from the UK CPRD under a licence agreement with the London School of Hygiene & Tropical Medicine and cannot be shared. Applications for access to the same data can be made to the CPRD. For further information please contact the corresponding author.
Disclaimers
This report presents independent research funded by the National Institute for Health Research (NIHR). The views and opinions expressed by authors in this publication are those of the authors and do not necessarily reflect those of the NHS, the NIHR, NETSCC, the HTA programme or the Department of Health and Social Care. If there are verbatim quotations included in this publication the views and opinions expressed by the interviewees are those of the interviewees and do not necessarily reflect those of the authors, those of the NHS, the NIHR, NETSCC, the HTA programme or the Department of Health and Social Care.