Published Online: June 24, 2013. doi:10.1001/jama.2013.7103
Author Contributions: Dr Joynt 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: Joynt, Jha.
Acquisition of data: Jha.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: Joynt.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Orav.
Obtained funding: Joynt, Gawande, Jha.
Administrative, technical, or material support: Jha.
Study supervision: Jha.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Gawande reported receiving honoraria for lectures and teaching about improvement of quality and safety in health care from clinical organizations and associations that are financially affected by the design of the health system and receiving royalties from multiple publishers for books, writing, and a documentary on health care systems and performance. No other disclosures were reported.
Funding/Support:This study was funded by the Rx Foundation and the West Wireless Foundation.
Role of the Sponsors: The funders of this study had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, and approval of the manuscript; or decision to submit the manuscript for publication.