Racial and Ethnic Differences in 30-Day Hospital Readmissions Among US Adults With Diabetes
IMPORTANCEDifferences in readmission rates among racial and ethnic minorities have beenreported, but data among people with diabetes are lacking despite the high burden of diabetes andits complications in these populations.OBJECTIVESTo examine racial/ethnic differences in all-cause readmission among US adults withdiabetes and categorize patient- and system-level factors associated with these differences.DESIGN, SETTING, AND PARTICIPANTSThis retrospective cohort study includes 272 758 adultpatients with diabetes, discharged alive from the hospital between January 1, 2009, and December31, 2014, and stratified by race/ethnicity. An administrative claims data set of commercially insuredand Medicare Advantage beneficiaries across the United States was used. Data analysis took placebetween October 2016 and February 2019.MAIN OUTCOMES AND MEASURESUnplanned all-cause readmission within 30 days of dischargeand individual-, clinical-, economic-, index hospitalizationñ, and hospital-level risk factors forreadmission. CONCLUSIONS AND RELEVANCEIn this study, black patients with diabetes had a significantlyhigher risk of readmission than members of other racial/ethnic groups. This increased risk was mostpronounced among lower-income patients hospitalized in nonprofit, academic, or large hospitals.