Racial and ethnic disparities in graft and recipient survival in elderly kidney transplant recipients

TO Ilori, DA Adedinsewo, O Odewole… - Journal of the …, 2015 - Wiley Online Library
TO Ilori, DA Adedinsewo, O Odewole, N Enofe, AO Ojo, W McClellan, RE Patzer
Journal of the American Geriatrics Society, 2015Wiley Online Library
Objectives To investigate racial and ethnic differences in graft and recipient survival in
elderly kidney transplant recipients. Design Retrospective cohort. Setting First‐time, kidney‐
only transplant recipients aged 60 and older of age at transplantation transplanted between
July 1996 and October 2010 (N= 44,013). Participants United Network for Organ Sharing
(UNOS) database. Measurements Time to graft failure and death obtained from the UNOS
database and linkage to the Social Security Death Index. Neighborhood poverty from 2000 …
Objectives
To investigate racial and ethnic differences in graft and recipient survival in elderly kidney transplant recipients.
Design
Retrospective cohort.
Setting
First‐time, kidney‐only transplant recipients aged 60 and older of age at transplantation transplanted between July 1996 and October 2010 (N = 44,013).
Participants
United Network for Organ Sharing (UNOS) database.
Measurements
Time to graft failure and death obtained from the UNOS database and linkage to the Social Security Death Index. Neighborhood poverty from 2000 U.S. Census geographic data.
Results
Of the 44,013 recipients in the sample, 20% were black, 63% non‐Hispanic white, 11% Hispanic, 5% Asian, and the rest “other racial groups.” In adjusted Cox models, blacks were more likely than whites to experience graft failure (hazard ratio (HR) = 1.23, 95% confidence interval (CI) = 1.15–1.32), whereas Hispanics (HR = 0.77, 95% CI = 0.70–0.85) and Asians (HR = 0.70, 95% CI = 0.61–0.81) were less likely to experience graft failure. Blacks (HR = 0.84, 95% CI = 0.80–0.88), Hispanics (HR = 0.68, 95% CI = 0.64–0.72), and Asians (HR = 0.62, 95% CI = 0.57–0.68) were less likely than whites to die after renal transplantation.
Conclusion
Elderly blacks are at greater risk of graft failure than white transplant recipients but survive longer after transplantation. Asians have the highest recipient and graft survival, followed by Hispanics. Further studies are needed to assess additional factors affecting graft and recipient survival in elderly adults and to investigate outcomes such as quality of life.
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