Analysis of a Population-Based Pneumocystis carinii Pneumonia Index as an Outcome Measure of Access and Quality of Care for the Treatment of HIV Disease

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Abstract
Objectives. A population-based Pneumocystis carinii pneumonia (PCP) Index was developed in New York City to identify geographic areas and subpopulations at increased risk for PCP. Methods. A zip code–level PCP Index was created from AIDS surveillance and hospital discharge records and defined as (number of PCP-related hospitalizations)/(number of persons living with AIDS). Results. In 1997, there were 2262 hospitalizations for PCP among 39 740 persons living with AIDS in New York City (PCP Index = .05691). PCP Index values varied widely across neighborhoods with high AIDS prevalence (West Village = .02532 vs Central Harlem = .08696). Some neighborhoods with moderate AIDS prevalence had strikingly high rates (Staten Island = .14035; northern Manhattan = .08756). Conclusions. The PCP Index highlights communities in particular need of public health interventions to improve HIV-related service delivery. (Am J Public Health. 2002;92:395–398)