Will Payment Based on Diagnosis-Related Groups Control Hospital Costs?

Abstract

Previous studies have shown that the admission rates for a few surgical procedures, such as hysterectomy, vary extensively among hospital market areas, apparently because of differences in physicians' practice styles. To see whether such variations occur for most causes of admission, we classified all nonobstetrical medical and surgical hospitalizations in Maine for the years 1980 through 1982 into diagnosis-related groups (DRGs) and measured the variations in admission rates among 30 hospital market areas.