Estimation of unmet need for HIV primary medical care: a framework and three case studies.

Reauthorization of the Ryan White Comprehensive AIDS Resources Emergency Act requires that each jurisdiction estimate the number of people living with HIV/AIDS who have unmet need for care. Past assessments of unmet need have used various definitions of care, relied on qualitative evaluations, or examined nonrepresentative subpopulations. This article outlines a single, flexible framework designed to quantitatively estimate unmet need in varied settings.