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Grading Hospitals Using Multivariate Matching
Jeffrey H Silber1,2,3,4, Paul R Rosenbaum2,5, Joseph G Reiter1
1Center for Outcomes Research, Children's Hospital of Philadelphia, Philadelphia, PA.
This study introduces a new hospital grading system using multivariate matching to compare patient outcomes. The enhanced report cards help identify specific patient groups where hospitals may be underperforming compared to similar institutions.
Area of Science:
- Healthcare quality assessment
- Comparative effectiveness research
- Health services research
Background:
- Existing hospital grading systems have limitations in accurately reflecting performance.
- There is a need for more sophisticated methods to benchmark hospital quality.
Purpose of the Study:
- To develop and illustrate a novel hospital report card system.
- To improve upon existing hospital grading methodologies using multivariate matching.
Main Methods:
- Utilized Medicare Claims data (2017-2019) for heart attack, heart failure, and pneumonia admissions.
- Developed matched cohorts comparing focal hospital patients to controls from "well-resourced" and "typical" hospitals based on over 300 patient characteristics.
- Created an "Analogous" match to compare outcomes at hospitals with similar characteristics.
Main Results:
- Generated report cards for four distinct example hospitals.
- Demonstrated the application of the multivariate matching technique for hospital benchmarking.
Conclusions:
- The new matched report card system enables more accurate hospital benchmarking.
- Identifies specific patient populations where hospitals show performance disparities compared to similar institutions and patient profiles.
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