Author Contributions: Dr Wang 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: Bueno, Chen, Krumholz.
Acquisition of data: Drye, Lichtman, Krumholz.
Analysis and interpretation of data: Bueno, Ross, Wang, Vidán, Normand, Curtis, Drye, Keenan, Kosiborod, Krumholz.
Drafting of the manuscript: Bueno, Ross, Krumholz.
Critical revision of the manuscript for important intellectual content: Bueno, Ross, Wang, Chen, Vidán, Normand, Curtis, Drye, Lichtman, Keenan, Kosiborod, Krumholz.
Statistical analysis: Bueno, Wang, Normand, Krumholz.
Obtained funding: Drye, Lichtman, Krumholz.
Administrative, technical, or material support: Lichtman, Krumholz.
Study supervision: Krumholz.
Financial Disclosures: Dr Bueno reported having received consulting fees from Almirall, Bayer, Bristol-Myers Squibb, and Sanofi-Aventis, and research grants from Astra-Zeneca, Bristol-Myers Squibb, and Pfizer. Drs Wang, Chen, Normand, Curtis, Drye, Keenan, and Krumholz reported that they develop and maintain performance measures under contract with the Centers for Medicare & Medicaid Services. Dr Kosiborod reported serving on the advisory board of Sanofi-Aventis and receiving speaking honoraria from the Vascular Biology Working Group and DiaVed Inc. Dr Krumholz reported chairing a scientific advisory board for United Healthcare. Drs Ross, Vidán, and Lichtman did not report any disclosures.
Funding/Support: The analyses upon which this publication is based were performed under contract HHSM-500-2005-CO001C, entitled “Utilization and Quality Control Quality Improvement Organization for the State (commonwealth) of Colorado,” which was funded by the Centers for Medicare & Medicaid Services, an agency of the US Department of Health and Human Services. This work was also funded by grant K01 DP000085-05 from the Centers for Disease Control and Prevention. Drs Bueno and Vidán were supported in part by grants BA08/90010 and BA08/90012, respectively, from the Fondo de Investigación Sanitaria del Instituto de Salud Carlos III, Spain, while at the Center for Outcomes Research and Evaluation, Yale-New Haven Hospital, where they participated in the development of this study. Dr Ross is supported by grant K08 AG032886 from the National Institute on Aging and by the American Federation for Aging Research through the Paul B. Beeson Career Development Award Program. Dr Kosiborod is supported by the American Heart Association Career Development Award in Implementation Research.
Role of the Sponsors: The sponsors did not participate in the design and conduct of the study, in the collection, management, analysis, and interpretation of the data, or in the preparation of the manuscript. The Centers for Medicare & Medicaid Services reviewed and approved the use of its data for this work and approved submission of the manuscript. This approval is based on data use only and does not represent a Centers for Medicare & Medicaid Services endorsement of or comment on the manuscript content.
Disclaimer: The content of this publication 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. The contents of this paper are solely the responsibility of the authors and do not necessarily represent the official views of the Centers for Disease Control and Prevention.