Key result
Severe maternal morbidity was associated with an approximately 2.4 times higher risk of postpartum readmission compared to women without severe maternal morbidity (HR 2.36).
Why the study?
Severe maternal morbidity is increasing and associated with adverse outcomes, but evidence on whether it affects postpartum readmission is lacking.
Does severe maternal morbidity increase the risk of postpartum readmission among women who have delivered?
Population
90,035 delivery cases between January 2003 and November 2013 from a Korean national cohort
Comparison
Women with severe maternal morbidity vs those without severe maternal morbidity
Design
Nationwide population-based cohort study
Follow-up
6 weeks after the first date of delivery in the hospital
Authors
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May warrant closer postpartum monitoring; extends prior associations but leaves causal effects and interventions open.
Cohort (n=90,035)
Does severe maternal morbidity increase the risk of postpartum readmission among women who have delivered?
Hazard Ratio: 2.36 (95% CI 1.75–3.19)
Absolute Event Rate: 2.45% vs 0.92%
p-value: p=<0.0001
Severe maternal morbidity is significantly associated with an increased risk of postpartum readmission within 6 weeks of delivery.
Nam et al. (2020) conducted a cohort in Severe maternal morbidity and postpartum readmission (n=90,035). Severe maternal morbidity vs. No severe maternal morbidity was evaluated on Postpartum readmission within 42 days after the first date of delivery hospitalization (HR 2.36, 95% CI 1.75-3.19, p=<0.0001). Severe maternal morbidity was associated with an approximately 2.4 times higher risk of postpartum readmission compared to women without severe maternal morbidity (HR 2.36).
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