期刊
AMERICAN JOURNAL OF TRANSPLANTATION
卷 12, 期 6, 页码 1519-1527出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1600-6143.2011.03974.x
关键词
Graft survival; immunosuppression medication; kidney transplantation; Medicare; racial disparities
Beginning January 1, 2000, Medicare effectively extended its coverage of immunosuppression medications from 3 years to lifetime for patients eligible for Medicare on the basis of age or disability status. We examined the impact of this policy on racial disparities in kidney transplant outcomes at 5 years. Using data from the US Renal Data System, we identified cohorts of Medicare-insured kidney transplant recipients according to patient characteristics defining eligibility for lifetime immunosuppression coverage according to the year 2000 policy. We compared racial disparities in graft survival among those eligible for lifetime coverage with the KaplanMeier method. We modeled adjusted associations of patient race, patient income, benefits eligibility category and policy exposure with graft loss by multivariable Cox's regression. The racial disparity in graft survival between African American and non-African American among transplant recipients eligible for the lifetime benefit persisted. The graft survival disparity between high- and low-income African American recipients was insignificantly reduced among those eligible for the lifetime benefit. The results of the study suggest that insurance coverage of medication did not eliminate or reduce the racial disparity in graft survival.
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