Author Contributions: Drs Wang and Normand had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Krumholz, Drye, Straube, Normand.
Acquisition of data: Krumholz, Han, Straube.
Analysis and interpretation of data: Krumholz, Wang, Chen, Drye, Spertus, Ross, Curtis, Nallamothu, Lichtman, Havranek, Masoudi, Radford, Rapp, Normand.
Drafting of the manuscript: Krumholz, Normand.
Critical revision of the manuscript for important intellectual content: Krumholz, Wang, Chen, Drye, Spertus, Ross, Curtis, Nallamothu, Lichtman, Havranek, Masoudi, Radford, Han, Rapp, Straube, Normand.
Statistical analysis: Wang, Normand.
Obtained funding: Krumholz, Drye, Han, Normand.
Administrative, technical, or material support: Rapp, Straube.
Study supervision: Krumholz, Han, Straube.
Financial Disclosures: Drs Krumholz, Wang, Chen, Drye, Curtis, and Normand reported that they developed and maintain risk-standardized mortality rates for acute myocardial infarction under contract with the Colorado Foundation for Medical Care. Dr Krumholz reported that he chairs a scientific advisory board for UnitedHealthcare. Dr Masoudi reported that he has contracts with the American College of Cardiology, the Colorado Foundation for Medical Care, and the Oklahoma Foundation for Medical Quality, and that he has served on an advisory board for UnitedHealthcare.
Funding/Support: The analyses on which this article is based were performed under contract HHSM-500-2005-CO001C, “Utilization and Quality Control Quality Improvement Organization for the State (commonwealth) of Colorado,” funded by the Centers for Medicare & Medicaid Services (CMS), an agency of the US Department of Health and Human Services.
Role of the Sponsor: The CMS reviewed and approved the use of its data for this work and approved submission of the manuscript but had no role in the design and conduct of the study; the collection, management, analysis, and interpretation of the data; or the preparation of the manuscript.
Disclaimer: The content of this article does not necessarily reflect the views or policies of the US Department of Health and Human Services, nor does mention of trade names, commercial products, or organizations imply endorsement by the US government.