Author Contributions: Dr Dimick and Ms Thumma 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: Dimick, Nicholas, Ryan, Birkmeyer.
Acquisition of data: Dimick, Nicholas.
Analysis and interpretation of data: Dimick, Nicholas, Ryan, Thumma, Birkmeyer.
Drafting of the manuscript: Dimick, Nicholas, Thumma.
Critical revision of the manuscript for important intellectual content: Dimick, Nicholas, Ryan, Thumma, Birkmeyer.
Statistical analysis: Dimick, Nicholas, Ryan, Thumma, Birkmeyer.
Obtained funding: Dimick.
Administrative, technical, or material support: Nicholas, Thumma.
Study supervision: Dimick, Nicholas.
Conflict of Interest Disclosures: The authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Drs Dimick and Birkmeyer reported serving as consultants and having an equity interest in ArborMetrix Inc, which provided software and analytics for measuring hospital quality and efficiency but had no role in the study. Dr Nicholas reported receiving travel reimbursement from Stanford University, Indiana University, the National Institute on Aging, and the University of Pennsylvania; and receiving institutional grants from the Commonwealth Fund and the Russell Sage Foundation. Dr Ryan reported receiving institutional grants from the Agency for Healthcare Research and Quality, the RWJ Foundation, and the Commonwealth Fund; receiving payment for lectures from Phelps Memorial Hospital; receiving payment for manuscript preparation from the New England Journal of Medicine; and receiving payment for the development of educational presentations from Health Affairs. Ms Thumma did not report any disclosures.
Funding/Support: This study was supported by National Institute on Aging grant R01AG039434 awarded to Drs Dimick, Nicholas, and Birkmeyer. Dr Dimick is also supported by career development award K08HS017765 from the Agency for Healthcare Research and Quality. Dr Nicholas is also supported by career development award K01AG041763 from the National Institute on Aging.
Role of the Sponsor: The funding sponsors played no part in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript. The sponsors had no access to the data and did not perform any of the study analysis.
Online-Only Material: The Author Video Interview is available here.
Disclaimer:The views expressed in this article do not necessarily represent the views of the US government.