OBJECTIVE: To determine the impact of HAART on incidence, regression, and progression of cytopathological abnormalities in HIV-infected women. DESIGN: Prospective cohort. METHODS: HIV-infected women (N=1123) from Soweto, South Africa underwent serial cervical smears that were analyzed and reported using the Bethesda System. The results of HAART and non-HAART users were compared using two statistical approaches: a survival analysis assessing risk of incident smear abnormality among women with baseline normal smear results; and analysis with marginal models assessing for an association between HAART use and likelihood of regression/progression in consecutive smears. RESULTS: After multivariate survival analysis, women using HAART with a normal baseline smear were 38% less likely to have an incident smear abnormality during follow-up than nonusers [confidence interval (CI) 0.42-0.91; P=0.01]. Multivariate marginal models analysis identified a significantly increased likelihood (odds ratio 2.61; CI 1.75-3.89; P<0.0001) of regression of cervical lesions among women on HAART. CONCLUSION: Our large prospective cohort study adds significant weight to the side of the balance of clinical research supporting the positive impact of HAART on the natural history of human papillomavirus-related cervical disease in HIV-infected women.
OBJECTIVE: To determine the impact of HAART on incidence, regression, and progression of cytopathological abnormalities in HIV-infectedwomen. DESIGN: Prospective cohort. METHODS:HIV-infectedwomen (N=1123) from Soweto, South Africa underwent serial cervical smears that were analyzed and reported using the Bethesda System. The results of HAART and non-HAART users were compared using two statistical approaches: a survival analysis assessing risk of incident smear abnormality among women with baseline normal smear results; and analysis with marginal models assessing for an association between HAART use and likelihood of regression/progression in consecutive smears. RESULTS: After multivariate survival analysis, women using HAART with a normal baseline smear were 38% less likely to have an incident smear abnormality during follow-up than nonusers [confidence interval (CI) 0.42-0.91; P=0.01]. Multivariate marginal models analysis identified a significantly increased likelihood (odds ratio 2.61; CI 1.75-3.89; P<0.0001) of regression of cervical lesions among women on HAART. CONCLUSION: Our large prospective cohort study adds significant weight to the side of the balance of clinical research supporting the positive impact of HAART on the natural history of human papillomavirus-related cervical disease in HIV-infectedwomen.
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