Racial Disparities in 7-Day Readmissions from an Adult Hospital Medicine Service

Link to article at PubMed

J Racial Ethn Health Disparities. 2021 Jun 28. doi: 10.1007/s40615-021-01088-3. Online ahead of print.


BACKGROUND: Health systems have targeted hospital readmissions to promote health equity as there may be racial and ethnic disparities across different patient groups. However, 7-day readmissions have been understudied in adult hospital medicine.

DESIGN: This is a retrospective study. We performed multivariable logistic regression between patient race/ethnicity and 7-day readmission. Mediation analysis was performed for limited English proficiency (LEP) status. Subgroup analyses were performed for patients with initial admissions for congestive heart failure (CHF), chronic obstructive pulmonary disease (COPD), and cancer.

PATIENTS: We identified all adults discharged from the adult hospital medicine service at UCSF Medical Center between July 2016 and June 2019.

MAIN MEASURES: The primary outcome was 7-day all-cause readmission back to the discharging hospital.

RESULTS: There were 18,808 patients in our dataset who were discharged between July 2016 and June 2019. A total of 1,297 (6.9%) patients were readmitted within 7 days. Following multivariable regression, patients who identified as Black (OR 1.35, 95% CI 1.15-1.58, p <0.001) and patients who identified as Asian (OR 1.26, 95% CI 1.06-1.50, p = 0.008) had higher odds of readmission compared to white patients. Multivariable regression at the subgroup level for CHF, COPD, and cancer readmissions did not demonstrate significant differences between the racial and ethnic groups.

CONCLUSIONS: Black patients and Asian patients experienced higher rates of 7-day readmission than patients who identified as white, confirmed on adjusted analysis.

PMID:34181237 | DOI:10.1007/s40615-021-01088-3

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