TABLE 4.

Measures of annualized hospital admission, 30‐day, and 90‐day readmission rates from 2015 to 2017, among non‐Hispanic beneficiaries as identified from EDB and RTI race codes versus self‐report.

	EDB race code	RTI race code	Self‐reported
Race/ethnicity	Non‐Hispanic White	Non‐Hispanic White	Non‐Hispanic White
N	739,485	670,282	676,098
Hospital admission rate	30.3%	30.8%	30.6%
30‐day readmission rate	11.8%	11.8%	11.8%
90‐day readmission rate	17.2%	17.1%	17.1%
Race/ethnicity	Non‐Hispanic Black	Non‐Hispanic Black	Non‐Hispanic Black
N	108,559	104,957	104,342
Hospital admission rate	31.3%	31.6%	31.5%
30‐day readmission rate	14.4%	14.4%	14.5%
90‐day readmission rate	21.4%	21.5%	21.6%
Race/ethnicity	Non‐Hispanic AANHPI	Non‐Hispanic AANHPI	Non‐Hispanic AANHPI
N	22,186	29,237	36,213
Hospital admission rate	20.6%	20.1%	20.7%
30‐day readmission rate	11.7%	11.7%	11.5%
90‐day readmission rate	16.7%	16.6%	17.0%
Race/ethnicity	Non‐Hispanic AIAN	Non‐Hispanic AIAN	Non‐Hispanic AIAN
N	2733	2684	23,762
Hospital admission rate	31.5%	31.6%	34.6%
30‐day readmission rate	12.3%	12.4%	14.2%
90‐day readmission rate	19.4%	19.3%	21.0%

Note: Data Sources: Data linked between Medicare Master Beneficiary Summary File (MBSF), Medicare Advantage Health Outcomes Survey (HOS), the Medicare Advantage Consumer Assessment of Healthcare Providers and Systems (CAHPS), and the Medicare Provider Analysis and Review (MedPAR) from 2015 to 2017.

Abbreviations: AANHPI, Asian American or Native Hawaiian Pacific Islander; AIAN, American Indian Alaska Native; EDB, Enrollment Database; RTI, Research Triangle Institute.