Key result
Different 30-day readmission metrics (ACR, PPR, CMS) produced varying hospital rankings, with correlations between metrics ranging from r=0.50 to 0.84.
Population
Hospitals in California treating patients with heart failure, acute myocardial infarction, and pneumonia
Design
Cohort
Follow-up
30-day (readmission window)
Authors
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Metric choice alters hospital readmission rankings; extends evidence on measure sensitivity for performance assessment.
Observational
Yes
Effect estimate: r = 0.67-0.84
Different approaches to computing readmissions produce varying hospital rankings, emphasizing the need for careful metric selection in pay-for-performance applications.
Davies et al. (2013) conducted an observational in Heart failure, acute myocardial infarction, and pneumonia. Readmission metrics (ACR, PPR, CMS) was evaluated on Hospital performance correlation and absolute change (r = 0.67-0.84). Different 30-day readmission metrics (ACR, PPR, CMS) produced varying hospital rankings, with correlations between metrics ranging from r=0.50 to 0.84.
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