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Unit costs declined with the volume of services provided for all three intervention types. The cost-effectiveness of the clinical provider sites was $107,656 per HIV case averted compared with no intervention. Clinical provider sites were less costly and more effective than the specialist or mixed sites. Conclusions: Compared with the lifetime cost of HIV/AIDS care and with other effective HIV prevention interventions, the clinical provider-led interventions in this study are cost-effective. In an incremental comparison with clinical provider sites, specialist and mixed intervention sites were not cost-effective.
An estimated 252 HIV-1 infections were averted each year. The total annual cost of the intervention was US$59,060 (1993 prices), equivalent to $0.39 per head of population served. The cost for STD case treated was $10.15, of which the drug cost was $2.11.he HIV seroconversion rate was 1.16% in the intervention communities and 1.86% in the comparison communities--a difference in HIV incidence of 0.70 (95% confidence interval, 0.37-1.09) and a reduction of about 40%. The total annual cost of the intervention was US$59,060 ($0.39 per person served).