title: Comparison of two systems to measure the severity of illness.
abstract: Using two systems of rating inpatient severity of illness, teaching hospital patients were classified into 15 common medical DRGs. The two systems were then analyzed and compared regarding conceptual differences, ability to predict costs within DRGs, and potential future resource usage with case-mix classifications.
mesh_terms: D000704:Analysis of Variance; D002641:Chicago; D002965:Classification / Q000379:methods*; D003953:Diagnosis-Related Groups; D005069:Evaluation Studies as Topic; D006746:Hospital Bed Capacity, 500 and over; D006784:Hospitals, Teaching / Q000191:economics*; D012720:Severity of Illness Index