, Volume 18, Issue 2, pp 95-103

Primary care delivery is associated with greater physician experience and improved survival among persons with AIDS

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Abstract

OBJECTIVE: It has been shown that greater physician experience in the care of persons with AIDS prolongs survival, but how more experienced primary care physicians achieve better outcomes is not known.

DESIGN/SETTING/PATIENTS: Retrospective cohort study of HIV-infected patients enrolled in a large staff-model health maintenance organization from 1990 through 1999.

MEASUREMENTS: Adjusted odds of medical service delivery and adjusted hazard ratio of death by physician experience level (least, moderate, most) and service utilization.

MAIN RESULTS: Primary care delivery by physicians with greater AIDS experience was associated with improved survival. After controlling for disease severity, patients cared for by the most experienced physicians were twice as likely to receive a primary care visit in a given month compared with patients of the least and moderately experienced physicians (P<.01). Patients of the least experienced physicians received the lowest level of outpatient pharmacy and laboratory services (P<.001) and were half as likely to have a specialty care visit compared with patients of the most and moderately experienced physicians (P<.05). Patients who received infrequent primary care visits by the least experienced physicians were 15.3 times more likely to die than patients of the most experienced physicians (P=.02). There was a significant increase in primary care services delivered to the population of HIV-infected patients receiving care in 1999, when highly active antiretroviral therapy (HAART) was in general use, compared with the time period prior to the introduction of HAART.

CONCLUSIONS: Primary care delivery by physicians with greater HIV experience contributes to improved patient outcomes.

Presented in part at the 7th Conference on Retroviruses and Opportunistic Infections, February 2000, San Francisco, Calif.
This work is dedicated to the memory of our colleague, G. Eric Archibeque, MD (September 15, 1958-September 11, 1999), who inspired all who knew him to reach higher to improve the care of persons living with HIV infection.
This work was supported by a grant from the Robert Wood Johnson Foundation.