(Journal Article): Excess costs of medical care for patients with diabetes in a managed care population
Selby JV, Ray GT, Zhang D, Colby CJ (Division of Research, Kaiser Permanente Medical Care Program, Oakland, CA 94611, USA)
IN:
Diabetes Care
1997; 20(9):1396-402
Impact Factor(s) of Diabetes Care: 7.071 (2004), 7.501 (2003), 5.477 (2002), 5.404 (2001)
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ABSTRACT: OBJECTIVE: To estimate the excess costs of medical care for patients with diabetes in a managed care population and to determine the proportion of costs spent on treating the complications of diabetes. RESEARCH DESIGN AND METHODS: A comparison of 1-year (1994) costs of medical care in the 85,209 members of the diabetes registry of Kaiser Permanente, Northern California, and in 85,209 age- and sex-matched nondiabetic control subjects. Costs were obtained from automated program databases. Costs specifically related to treating acute and long-term complications of diabetes were identified, and the excess costs attributable to each complication in individuals with diabetes were calculated. RESULTS: Excess expenditures in individuals with diabetes totaled $282.7 million, or $3,494 per person. Per person expenditures for members with diabetes were 2.4 times those for matched control subjects. The largest proportion of total excess costs was for hospitalizations within the health maintenance organization (38.5%). Nearly 38% of the total excess was spent treating the long-term complications of diabetes, predominantly coronary heart disease and end-stage renal disease. CONCLUSIONS: Diabetes is a costly condition by virtue of its high prevalence and high per person costs. A large proportion of these costs are related to treating complications of diabetes. Available evidence indicates that several measures can reduce complication rates. Thus, effective disease management programs that aim to prevent complications could potentially lead to cost savings in managed care settings.
TYPE OF PUBLICATION: Original article
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