HCFA's Racial and Ethnic Data: Current Accuracy and Recent Improvements

作者: Susan L. Arday , Jianyi Zhang , Stephanie Monroe , David R. Arday

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摘要: Using linked data from the Medicare Current Beneficiary Survey (MCBS), authors assessed accuracy of racial/ethnic classifications in HCFA's enrollment base (EDB) before and after 1997 effort to update EDB. After update, sensitivity EDB was 97 percent for white persons 95 black persons, but less than 60 all other categories. The positive predictive value above 96 white, black, Hispanic below 80 others. There some improvement 1991-1997, larger improvements non-black minorities 1996-1997.

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