Accepted for Publication: March 7, 2013.
Published Online: October 16, 2013. doi:10.1001/jamasurg.2013.4109.
Acquisition of data: Dimick, N. J. Birkmeyer, J. D. Birkmeyer.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: Dimick, N. J. Birkmeyer, J. D. Birkmeyer.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Dimick, N. J. Birkmeyer, J. D. Birkmeyer.
Obtained funding: Dimick, Share.
Administrative, technical, and material support: Dimick, Finks.
Study supervision: Dimick.
Conflict of Interest Disclosures: Drs Dimick and J. D. Birkmeyer reported serving as consultants and having an equity interest in ArborMetrix, Inc, a venture capital–backed company that provides software and analytics for measuring and improving hospital quality and efficiency. The company had no role in the study herein.
Funding/Support: This study was supported by career development award K08 HS017765 from the Agency for Healthcare Research and Quality and research grant R21 DK084397 from the National Institute of Diabetes and Digestive and Kidney Diseases.
Role of the Sponsor: The funding organizations had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Disclaimer: The views expressed herein are those of the authors and do not necessarily represent the views of the US government.