Author Contributions: Dr Ross had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the analysis.
Study concept and design: Ross, Lurie, Lackner, Krumholz.
Acquisition of data: Ross, Nazem, Lurie.
Analysis and interpretation of data: Ross, Lurie, Krumholz.
Drafting of the manuscript: Ross.
Critical revision of the manuscript for important intellectual content: Ross, Nazem, Lurie, Lackner, Krumholz.
Statistical analysis: Ross.
Administrative, technical, or material support: Lurie, Krumholz.
Study supervision: Lurie, Krumholz.
Financial Disclosures: Drs Ross and Krumholz reported having served as consultants at the request of plaintiffs for recent suits against Merck and Co Inc related to Vioxx. Dr Krumholz reported having research contracts with the American College of Cardiology and the Colorado Foundation for Medical Care; being on an advisory board for UnitedHealthcare; serving as a subject matter expert for VHA Inc; and being editor-in-chief of Circulation: Cardiovascular Quality and Outcomes and Journal Watch Cardiology of the Massachusetts Medical Society. Dr Krumholz reported that in the past 5 years he has received a research grant from Boehringer-Ingelheim; served as a consultant to Centegen; and served as an advisory board member for Alere, CV Therapeutics, and Amgen. No other disclosures were reported.
Funding/Support: Dr Ross is currently supported by Department of Veterans Affairs Health Services Research and Development Service project No. TRP-02-149 and by the Hartford Foundation. Mr Nazem was supported by the Yale University School of Medicine Medical Student Research Fellowship and the Richard Alan Hirshfield Memorial Fellowship in New Haven, Connecticut. Dr Lurie and Mr Lackner received support from the Irene Diamond Fund.
Role of the Sponsors: None of these organizations had any role in the design or conduct of the study; in the collection, management, analysis, or interpretation of the data; or in the preparation, review, or approval of the manuscript.
Disclaimer: The views expressed in this article are those of the authors and do not necessarily represent the views of the Department of Veterans Affairs.
Additional Contributions: Adina Rosenbaum, JD, Public Citizen, assisted in acquiring trade-secret–designated data through her role as staff attorney. Cary P. Gross, MD, Yale University School of Medicine, and Sidney Wolfe, MD, Public Citizen, contributed to the conception and design of the original study for which this is a follow-up. None of these persons were compensated for their roles in the study.