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American Journal of Epidemiology Vol. 142, No. 7: 714-718
Copyright © 1995 by The Johns Hopkins University School of Hygiene and Public Health
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A BRIEF ORIGINAL CONTRIBUTION
Comparison of Methods of Estimating the Mother-to-Child Transmission Rate of Human Immunodeficiency Virus Type 1 (HIV-1)
1Medical and Health Research Association of New York City Inc. New York, NY.
2Harlem Hospital New York, NY.
3Centers for Disease Control and Prevention Atlanta, GA.
4Metropolitan Hospital New York, NY.
5NYU Medical Center-Bellevue Hospital Center New York, NY.
6Bronx-Lebanon Hospital New York, NY.
7Lincoln Hospital Center New York, NY.
8Mt. Sinai Hospital New York, NY.
9Center for Comprehensive Health Practice New York, NY
10New York City Department of Health New York, NY.
Four methods of estimating mother-to-child transmission rates of human immunodeficiency virus type 1 (HIV-1), based on the 1992 Ghent workshop, were compared in a multicenter New York City prospective cohort study in 19861992. Of 833 infants born to women at risk of HIV-1 infection, 388 were born HIV-1 seropositive and 445 were HIV-1 seronegative. The four methods, the Antibody Only, Indirect, Direct, and Virologic Methods, yielded transmission rate estimates of 1925%, classifying 5989% of the cohort. Estimation based on persistence of HIV-1 antibody and clinical assessment yielded transmission rates similar to those methods that incorporated virologic testing. Am J Epidemiol 1995;142:71418.
HIV-1;; maternal-fetal exchange;; polymerase chain reaction;; risk factors
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