Key result
A claims-based, hospital-wide unplanned readmission measure produced consistent hospital rankings across split validation samples (P=0.71 for difference in rank).
Population
Medicare fee-for-service beneficiaries aged 65 years or older across 4821 U.S. hospitals.
Design
Other
Follow-up
30 days
Authors
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Supports reliability of claims-based readmission metrics for profiling; leaves open linkage to clinical outcomes and care quality.
Observational (n=8,018,949)
Yes
p-value: p=0.71
A claims-based, hospital-wide unplanned readmission measure produced consistent results and was similarly calibrated in Medicare and all-payer data, providing a tool for profiling hospital performance.
Horwitz et al. (2014) conducted an observational in All-condition hospitalizations (n=8,018,949). Hospital-wide readmission measure was evaluated on Hospital-level, risk-standardized unplanned readmissions within 30 days of discharge (p=0.71). A claims-based, hospital-wide unplanned readmission measure produced consistent hospital rankings across split validation samples (P=0.71 for difference in rank).
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