Accepted for Publication: November 24, 2010.
Published Online: March 21, 2011. doi:10.1001/archsurg.2011.43
Author Contributions: Dr Mohan 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: Mohan, Rosengart, Farris, Angus, and Barnato. Acquisition of data: Mohan. Analysis and interpretation of data: Mohan, Rosengart, Farris, Cohen, Angus, and Barnato. Drafting of the manuscript: Mohan and Barnato. Critical revision of the manuscript for important intellectual content: Mohan, Rosengart, Farris, Cohen, Angus, and Barnato. Statistical analysis: Mohan, Rosengart, Farris, Cohen, and Angus. Obtained funding: Mohan and Barnato. Administrative, technical, and material support: Barnato. Study supervision: Rosengart, Farris, Angus, and Barnato.
Financial Disclosure: None reported.
Funding/Support: This work was supported by grant 1KL2RR024154 from the National Center for Research Resources, a component of the National Institutes of Health and the National Institutes of Health Roadmap for Medical Research (Dr Mohan). This work was also funded in part by a seed grant from the Department of Critical Care Medicine, University of Pittsburgh.
Role of the Sponsors: The funding agencies had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; or preparation, review, or approval of the manuscript.
Disclaimer: The contents are solely the responsibility of the authors and do not necessarily represent the official view of the National Center for Research Resources or the National Institutes of Health. The Pennsylvania Health Care Cost Containment Council is an independent state agency and has provided data to this entity in an effort to further PHC4's missions of educating the public and containing health care costs in Pennsylvania. The Pennsylvania Health Care Cost Containment Council, its agents, and staff have made no representation, guarantee, or warranty (express or implied) that the data provided to this entity are error free or that the use of the data will avoid difference of opinion or interpretation. This analysis was not prepared by PHC4. It was prepared by the authors of this article. The Pennsylvania Health Care Cost Containment Council, its agents, and staff bear no responsibility or liability for the results of this analysis, which are solely the opinion of the authors. Data were provided by the PTSF, Mechanicsburg. The PTSF specifically disclaims responsibility for any analyses, interpretations, or conclusions.
Additional Information: Information on the National Center for Research Resources is available at http://www.ncrr.nih.gov/. Information on Reengineering the Clinical Research Enterprise can be obtained from http://commonfund.nih.gov/clinicalresearch/overview-translational.aspx.
Additional Contributions: Joyce Chang, PhD, University of Pittsburgh, provided statistical support and Nathan McWilliams, MPA, PTSF, helped in acquiring the PTSF registry data. Neither received compensation beyond their normal salaries.