Author Contributions: Dr O’Hare 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: O’Hare.
Acquisition of data: O’Hare.
Analysis and interpretation of data: O’Hare, Rodriguez, Hailpern, Larson, Kurella Tamura.
Drafting of the manuscript: O’Hare, Larson.
Critical revision of the manuscript for important intellectual content: O’Hare, Rodriguez, Hailpern, Larson, Kurella Tamura.
Statistical analysis: O’Hare, Hailpern.
Obtained funding: O’Hare.
Administrative, technical, or material support: O’Hare, Rodriguez, Larson, Kurella Tamura.
Study supervision: O’Hare, Larson.
Financial Disclosures: Dr O’Hare reported receiving royalties from UpToDate, an honorarium from the Japanese Society for Foot Care, and a Career Development Award from the Department of Veterans Affairs' Health Services Research and Development Service and serving as the principal investigator on an interagency agreement between the Centers for Disease Control and Prevention and the VA Puget Sound Healthcare System. Dr Hailpern reported being employed by LipoScience (Raleigh, North Carolina) during the time frame that she was working on this study but her work on the project was completed during her free time and was not part of her work for the company. Dr Larson reported receiving research support from the National Institutes of Health, royalties from UpToDate, Springer, and Elsevier, and speaker honoraria from universities and other nonprofit organizations. Dr Kurella Tamura reported receiving research funding from Satellite Research, Amgen, a Junior Development Award in Geriatric Nephrology from the American Society of Nephrology and Association of Subspecialty Professors, and an intramural grant from the University of California, San Francisco. The financial disclosures listed herein for Drs O’Hare and Kurella Tamura are for the last 5 years.
Funding/Support: Dr O’Hare is supported by Beeson Career Development Award K23AG28980. Dr Kurella Tamura is supported by Beeson Career Development Award K23AG028952.
Role of the Sponsor: This funding source had no role in the design and conduct of the study; in the collection, management, analysis, and interpretation of the data; or in the preparation, review, or approval of the manuscript.
Disclaimer: This work was conducted at the University of Washington and does not represent the opinion of the US Renal Data System or the Department of Veterans Affairs.
Additional Contributions: We thank Daniel Gottlieb, MS, at the Dartmouth Atlas of Healthcare for providing us with the most recently available end-of-life expenditure index for each hospital referral region. Mr Gottlieb was not compensated for his contribution.