Potentially Preventable 30-Day Hospital Readmissions at a Children’s Hospital

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Abstract
BACKGROUND AND OBJECTIVES: Hospital readmission rates are increasingly used to assess quality. Little is known, however, about potential preventability of readmissions among children. Our objective was to evaluate potential preventability of 30-day readmissions using medical record review and interviews. METHODS: A cross-sectional study in 305 children (N = 1459) were conducted with parents/guardians, patients (if ≥13 years old), inpatient clinicians, and primary care providers. Reviewers evaluated medical records, interview summaries, and transcripts, and then rated potential preventability. Multivariate regression analysis was used to identify factors associated with potentially preventable readmission. Adjusted event curves were generated to model days to readmission. RESULTS: Of readmissions, 29.5% were potentially preventable. Potentially preventable readmissions occurred sooner after discharge than non–potentially preventable readmissions (5 vs 9 median days; P < .001). The odds of a readmission being potentially preventable were greatest when the index admission and readmission were causally related (adjusted odds ratio [AOR]: 2.6; 95% confidence interval [CI]: 1.0–6.8) and when hospital (AOR: 16.3; 95% CI: 5.9–44.8) or patient (AOR: 7.1; 95% CI: 2.5–20.5) factors were identified. Interviews provided new information about the readmission in 31.2% of cases. CONCLUSIONS: Nearly 30% of 30-day readmissions to a children’s hospital may be potentially preventable. Hospital and patient factors are associated with potential preventability and may provide targets for quality improvement efforts. Interviews contribute important information and should be considered when evaluating readmissions.

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