Risk-adjusting acute myocardial infarction mortality: are APR-DRGs the right tool?

  title={Risk-adjusting acute myocardial infarction mortality: are APR-DRGs the right tool?},
  author={Patrick S. Romano and Benjamin Chan},
  journal={Health services research},
  volume={34 7},
OBJECTIVE To determine if a widely used proprietary risk-adjustment system, APR-DRGs, misadjusts for severity of illness and misclassifies provider performance. DATA SOURCES (1) Discharge abstracts for 116,174 noninstitutionalized adults with acute myocardial infarction (AMI) admitted to nonfederal California hospitals in 1991-1993; (2) inpatient medical records for a stratified probability sample of 974 patients with AMIs admitted to 30 California hospitals between July 31, 1990 and May 31… CONTINUE READING


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