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J Clin Gastroenterol. 1992 Jun;14(4):309-17.

Inflammatory bowel disease: costs-of-illness.

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1
Department of Pharmaceutical Economics and Policy, University of Southern California, Los Angeles 90033.

Abstract

We have evaluated the economic costs to society for the two major types of inflammatory bowel disease, Crohn's disease and ulcerative colitis, using a medical decision algorithm costing methodology augmented by examination of 1988-89 claims data from a major U.S. commercial insurer. The average annual medical cost per patient with Crohn's disease was estimated at $6,561 (1990 U.S. dollars). The total annual medical costs for U.S. Crohn's disease patients in 1990 was estimated at $1.0-1.2 billion. The average annual medical cost per patient with ulcerative colitis was estimated at $1,488. The total annual medical costs for U.S. patients with ulcerative colitis in 1990 was estimated at $0.4-0.6 billion. Adjusting for productivity losses, we estimated the annual economic cost for both diseases at $1.8 billion to $2.6 billion. Analysis of insurance claims data for inflammatory bowel disease patients showed that the distribution of annual medical expenses charged and paid is highly uneven by patient. The top 2% of Crohn's disease patients accounted for 28.9% of total charges and 34.3% of the total amount paid. The top 2% of ulcerative colitis patients accounted for 36.2% of total charges and 39.0% of the total amount paid. We used a multivariate regression model to examine potential cost-effectiveness tradeoffs between different types of medical services in treatment of inflammatory bowel disease.

PMID:
1607607
[Indexed for MEDLINE]
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