Effects of ethnicity on deceased organ donation in a minority-majority state.
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abstract
To define how ethnicity affects donation rates in New Mexico when compared with the United States. We hypothesized that deceased donation rates in New Mexico would reflect the ethnic rates of the population.We performed a retrospective review of the Organ Procurement Database for New Mexico from 2009 to June 2012.Rates for donors and transplant candidates were calculated relative to 2010 census population estimates by ethnicity for non-Hispanic Whites, Hispanics, and American Indians. Poisson regression analyses were used to test whether United States and New Mexico rates differed. Rates were scaled to 100,000 patient-years for reporting.State of New Mexico population compared to United States population.Reported deaths to New Mexico Donor Services and United Network for Organ Sharing from 2009 to 2012.None.Non-Hispanic White age-adjusted donor rates per 100,000 patient-years were 2.58 in New Mexico versus 2.60 in the United States, Hispanic donor rates were 1.98 in New Mexico versus 2.03 nationwide, and American Indian donor rates in New Mexico were 0.26 versus 1.23 nationwide (rate ratio = 0.21; 95% CI, 0.05-0.86). American Indians have significantly lower donor rates in New Mexico compared to non-Hispanic Whites (rate ratio = 0.11) and Hispanics (rate ratio = 0.13) and nationally (non-Hispanic Whites: rate ratio = 0.32 and Hispanics: rate ratio = 0.43). Hispanics and non-Hispanic Whites had similar donor rates regardless of geographic strata (Hispanics vs non-Hispanic Whites, New Mexico: 0.83; United States: 0.75). In New Mexico, Hispanic patients were 1.43 times more likely to be listed as transplant candidates than non-Hispanic Whites and American Indians were 3.32 times more likely to be listed than non-Hispanic Whites. In the United States, Hispanic patients were 1.90 times more likely to be listed as transplant candidates than non-Hispanic Whites and American Indians were 1.55 times more likely to be listed than non-Hispanic Whites.Donor and transplant candidate rates did not show strong differences by geographic strata. These findings suggest that further work is needed to elucidate the causes for ethnic differences in rates of consent and donation, particularly in the American Indian population.
