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February 9, 2005

Survival After Pancreas Transplantation

Author Affiliations

Letters Section Editor: Robert M. Golub, MD, Senior Editor.

JAMA. 2005;293(6):675-676. doi:10.1001/jama.293.6.675-a

To the Editor: We would like to raise concerns about 3 possible flaws in the design and analysis of the study by Dr Venstrom and colleagues.1 First, patients listed for a pancreas transplant at multiple centers, as well as those who changed centers, were counted more than once. When we reviewed the United Network for Organ Sharing (UNOS) database and identified patients who had more than 1 listing for the same organ(s) at different centers, had changed centers, had refused a transplant offer but were subsequently relisted, were listed on both the pancreas transplant–alone and the simultaneous pancreas-kidney transplant lists and had not received a kidney transplant alone, had been removed from the waiting list for medical or other reasons but were subsequently relisted or were still listed but had undergone a successful transplant at a different center, we concluded that 12% of all patients listed had been counted more than once.

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