Disparities in postpartum readmission by patient- and hospital-level social risk factors in the United States: a retrospective multistate analysis, 2015–2020
Authors' conclusion
Substantial disparities in 30-day postpartum readmissions by patient-level social factors were observed, particularly amongst Black mothers.
Study context
- Population
- Postpartum mothers in State Inpatient Databases from four US states, 2015–2020
- Exposure
- Patient- and hospital-level social risk factors
- Outcome
- All-cause postpartum readmission
- Follow-up
- 30 days
Methodological detailsmultistate, generalized linear mixed models, stratified and interaction analyses
- Multistate
- Generalized linear mixed models
- Stratified and interaction analyses
Main finding
As reported in the abstract
30-day postpartum readmission
Adjusted odds ratio (95% CI)
Black vs White
1.57(1.52–1.61)
Medicare vs Private insurance
2.13(1.95–2.32)
Medicaid vs Private insurance
1.14(1.11–1.17)
Highest income quartile vs Lowest income quartile14% lower odds
0.86(0.83–0.89)
Observational data: associations, not effects.
Further findings
Readmission by delivery and anesthesia type (stratified; anesthesia New York only) · 30 days
- Black mothers more likely readmitted regardless of delivery type and most combinations of delivery and anesthesia type
Race × income interaction · 30 days
- Black mothers from highest income quartile more likely readmitted than White mothers from lowest income quartile
Original publication
Disparities in postpartum readmission by patient- and hospital-level social risk factors in the United States: a retrospective multistate analysis, 2015–2020. Int J Obstet Anesth. Published 16 April 2024. doi:10.
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