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- W2005388018 abstract "Objective: To determine the effectiveness and costs of prophylaxis for disseminatedMycobacterium avium complex (MAC) infection in patients with AIDS. Design: A decision analysis model was constructed to compare rifabutin (300 mg/day), azithromycin (1200 mg/week), and clarithromycin (500 mg twice per day) with no prophylaxis. Sensitivity analysis was done on all model parameters, including initial CD4 count for beginning prophylaxis. Setting: The setting was hypothetical for the cost-effectiveness model. Clinical data were taken from published prospective randomized controlled trials. Main Outcome Measures: Outcomes were measured in terms of projected life expectancy, quality-adjusted life expectancy, direct medical costs, and cost-effectiveness in U.S. dollars per quality-adjusted life-year saved ($/QALY). Results: For patients with AIDS and those having CD4 counts <75 cells/mm3, azithromycin, clarithromycin, and rifabutin prophylaxis increased lifetime per person MAC-related costs by $994, $2,117, and $2,185 U.S., respectively. Quality-adjusted life expectancy increased from 1.6068 QALYs to between 1.6186 and 1.6255 QALYs. The cost-effectiveness ratios were $58,200, $116,000, and $179,100/QALY saved for azithromycin, clarithromycin, and rifabutin prophylaxis, respectively, each compared with no prophylaxis. Results were most dependent on the annual cost of prophylaxis, the initial CD4 count when starting prophylaxis, and any survival benefit with prophylaxis. For each type of prophylaxis, strategies beginning with CD4 counts <25 or 50 cells/mm3 were substantially more cost-effective than those beginning in patients with higher CD4 counts. Conclusions: MAC prophylaxis is likely to cost society an additional $99 to $219 million U.S. per 100,000 patients treated. In the context of Centers for Disease Control and Prevention (CDC) recommendations to use prophylaxis in patients with CD4 counts <75 cells/mm3, azithromycin represents the best value and is most cost-effective when used in patients with CD4 counts <25 cells/mm3." @default.
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- W2005388018 date "1997-08-01" @default.
- W2005388018 modified "2023-09-25" @default.
- W2005388018 title "Prophylaxis for Disseminated Mycobacterium avium Complex(MAC) Infection in Patients With AIDS" @default.
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- W2005388018 doi "https://doi.org/10.1097/00042560-199708010-00005" @default.
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