Author Contributions: Dr Merion 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: Merion, Ashby, Distant, Hulbert-Shearon, Metzger, Ojo, Port.
Acquisition of data: Port.
Analysis and interpretation of data: Merion, Ashby, Wolfe, Distant, Hulbert-Shearon, Metzger, Ojo, Port.
Drafting of the manuscript: Merion, Ashby, Ojo.
Critical revision of the manuscript for important intellectual content: Merion, Ashby, Wolfe, Distant, Hulbert-Shearon, Metzger, Ojo, Port.
Statistical analysis: Ashby, Wolfe, Hulbert-Shearon, Ojo.
Obtained funding: Port.
Administrative, technical, or material support: Merion, Metzger, Port.
Study supervision: Merion, Port.
Financial Disclosures: None reported.
Funding/Support: The Scientific Registry of Transplant Recipients is supported by contract 231-00-0116 from the US Department of Health Resources and Services Administration (HRSA), US Department of Health and Human Services.
Role of the Sponsor: A near-final draft of this manuscript was sent to HRSA for review. Otherwise, the agency had no role in the design and conduct of the study; the collection, analysis, and interpretation of the data; or the preparation or approval of the manuscript.
Disclaimer: The views expressed herein are those of the authors and not necessarily those of the government.
Previous Presentation: This study was presented in part at American Society of Nephrology 35th Annual Meeting; November 1-4, 2002; Philadelphia, Pa; and at American Transplant Congress; May 13-19, 2004; Boston, Mass.
Acknowledgment: We gratefully acknowledge input and advice from Philip J. Held, PhD, University Renal Research and Education Association (URREA). Editorial assistance was provided by Caroline Shevrin and Miles P. Finley, URREA.