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Toward a Systems Quality Paradigm: Relating Health Outcomes, Resource Expenditures, and Appropriateness of Cholecystectomy Patients

This study addresses the question for cholecystectomy patients of whether there is an association among manifesting better health outcomes and the quantity of hospital resources consumed when the appropriateness of this surgery is also considered. 10 043 cholecystectomies performed by 218 surgeons in 43 Pennsylvanian hospitals are analysed using data from an administrative data set. Performance measures are adjusted for admission severity of illness and other patient variables. The results demonstrate a statistically significant positive association between adjusted hospital total charges and adjusted morbidity controlling for whether specified clinical criteria are met that validate the need for a cholecystectomy. This study illustrates a systems quality paradigm wherein performance is examined in terms of health outcomes, appropriateness and resource expenditures, as well as the relationships among these three dimensions.