Rates and reasons for hospital readmission after acute ischemic stroke in a US population-based cohort

Lily W Zhou, Maarten G Lansberg and Adam de Havenon

PLOS ONE, 2023, vol. 18, issue 8, 1-14

Abstract: Hospital readmissions following stroke are costly and lead to worsened patient outcomes. We examined readmissions rates, diagnoses at readmission, and risk factors associated with readmission following acute ischemic stroke (AIS) in a large United States (US) administrative database. Using the 2019 Nationwide Readmissions Database, we identified adults discharged with AIS (ICD-10-CM I63*) as the principal diagnosis. Survival analysis with Weibull accelerated failure time regression was used to examine variables associated with hospital readmission. In 2019, 273,811 of 285,451 AIS patients survived their initial hospitalization. Of these, 60,831 (22.2%) were readmitted within 2019. Based on Kaplan Meyer analysis, readmission rates were 9.7% within 30 days and 30.5% at 1 year following initial discharge. The most common causes of readmissions were stroke and post stroke sequalae (25.4% of 30-day readmissions, 15.0% of readmissions between 30–364 days), followed by sepsis (10.3% of 30-day readmissions, 9.4% of readmissions between 30–364 days), and acute renal failure (3.2% of 30-day readmissions, 3.0% of readmissions between 30–364 days). After adjusting for multiple patient and hospital-level characteristics, patients at increased risk of readmission were older (71.6 vs. 69.8 years, p

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0289640

DOI: 10.1371/journal.pone.0289640

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