Authors/RESCAN Collaborators: Matthew J. Bown, MD, FRCS; Michael J. Sweeting, PhD; Louise C. Brown, PhD; Janet T. Powell, MD; Simon G. Thompson, DSc.
Author Contributions: Dr Thompson had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Sweeting, Brown, Powell, Thompson.
Acquisition of data: Bown, Brown, Powell, Thompson.
Analysis and interpretation of data: Bown, Sweeting, Brown, Powell, Thompson.
Drafting of the manuscript: Bown, Sweeting, Thompson.
Critical revision of the manuscript for important intellectual content: Bown, Sweeting, Brown, Powell, Thompson.
Statistical analysis: Sweeting, Thompson.
Obtained funding: Brown, Powell, Thompson.
Administrative, technical, or material support: Brown.
Study supervision: Powell, Thompson.
Conflict of Interest Disclosures: The authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Bown reports holding a personal fellowship with the Higher Education Funding Council for England. Drs Sweeting, Powell, and Thompson report receipt of a grant to their institution from the National Institute for Health Research (NIHR) Health Technology Assessment. Dr Brown reports receipt of a grant to her institution for a UK government-funded study and receipt of fees for participation in review activities such as data monitoring boards, statistical analysis, and end point committees. Dr Powell reports receipt of a consulting fee or honorarium from the NIHR grant (previously mentioned), and receipt of a grant or pending grant for the IMPROVE, EVAR, STAT (small thoracic aortic aneurysm), and AARDVARK trials and with a thoracic aortic trial. Dr Thompson reports receipt of support for travel to meetings from the NIHR grant (previously mentioned).
RESCAN Collaborators: Chief investigator, Simon G. Thompson, DSc, University of Cambridge. Systematic reviews, acquisition, and management of data sets, Janet T. Powell, MD, Susan Gotensparre, PhD, and Louise C. Brown, PhD, Imperial College London. Statistics, Michael J. Sweeting, PhD, and Simon G. Thompson, DSc, University of Cambridge, Cambridge, England. Health Economics, Martin J Buxton, BA, and Matthew Glover, MSc, Brunel University, Middlesex, England, and Lois Kim, PhD, London School of Hygiene & Tropical Medicine, London, England. Clinical and imaging perspectives Roger Greenhalgh, MD, Imperial College, London, England. Ross Naylor, MD, Mr Tim Hartshorne, AVS, University Hospitals of Leicester NHS Trust, Leicester, England, and Matthew J. Bown, MD, University of Leicester and the NIHR Leicester Cardiovascular Biomedical Research Unit, Leicester, England. Epidemiology, F. Gerald R. Fowkes, University of Edinburgh, Edinburgh, Scotland.
Collaborators: Paul E. Norman, DS, University of Western Australia, Crawley, Australia; Simon Parvin, MD, Royal Bournemouth Hospital, Bournemouth, England; Hilary Ashton, St Richard's Hospital, Chichester, England; Rod T. A. Chalmers, MD, Edinburgh Royal Infirmary, Edinburgh, Scotland; Jonothan J. Earnshaw, DM, Gloucestershire Royal Infirmary, Gloucester, England; Antonius B. M. Wilmink, MD, Heart of England NHS Trust, Birmingham, England; D. Julian A. Scott, MD, University of Leeds, Leeds, England; Charles N. McCollum, MD, University Hospital of South Manchester, Manchester, England; Steinar Solberg, PhD, Rikshospitalet, Oslo, Norway; Kenneth Ouriel, MD, Syntactx, New York, United States; Andreas Laupacis, MD, St Michael's Hospital, Toronto, Ontario, Canada; Melina Vega de Céniga, PhD, Hospital de Galdakao, Galdakao, Spain; Richard Holdsworth, MD, Stirling Royal Infirmary, Stirling, Scotland; Lars Karlsson, PhD, Gävle Hospital, Gävle, Sweden; Jes S. Lindholt, PhD, Viborg Hospital, Viborg, Denmark. All aforementioned individuals provided data for the study but received no financial compensation for their contribution.
Funding/Support: This project was supported by the UK NIHR Health Technology Assessment Programme (project 08/30/02).
Role of the Sponsor: The funders identified the research area and approved the final manuscript, but played no role in the conduct of the study, in the collection, management, analysis, and interpretation of the data, nor in the preparation and review of the manuscript.
Disclaimer: The views expressed in this article are not necessarily those of the UK National Health Service. A version of this article was presented at the 34th Charing Cross International Vascular Symposium, London, April 2012.