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  • Title: Predictors of incident tuberculosis among HIV-1-infected women in Tanzania.
    Author: Venkatesh PA, Bosch RJ, McIntosh K, Mugusi F, Msamanga G, Fawzi WW.
    Journal: Int J Tuberc Lung Dis; 2005 Oct; 9(10):1105-11. PubMed ID: 16229221.
    Abstract:
    SETTING: The development of tuberculosis (TB) in HIV-1-infected individuals is associated with accelerated HIV-1 disease progression. OBJECTIVE: To examine the predictors of incident TB in HIV-1-infected Tanzanian women. DESIGN: A prospective cohort of 1078 HIV-1-infected pregnant women was enrolled in a randomized clinical trial to examine the role of vitamin supplements in HIV-1 disease progression and fetal outcomes. RESULTS: Of 1008 women evaluated for TB, 88 (8.7%) developed TB. After controlling for age, education and hemoglobin concentration, in multivariate analysis, low CD4 cell count, elevated erythrocyte sedimentation rate (ESR), decreased mid-upper arm circumference, and high viremia were associated with an increased risk of TB. CD4 <200 vs. > or = 500 cells/mm3 was associated with a 4.44-fold increase in risk of TB (95%CI 2.10-9.40). Individuals with high viremia (> or = 50,000 copies/ml) had a 2.43-fold increase in risk of TB (95%CI 1.24-4.76). Elevated malarial parasite density was slightly associated with a 65% (95%CI 19-85) decreased risk of TB. CONCLUSIONS: The risk of developing TB was elevated among women with low CD4 cell counts, elevated ESR, coinfections with other pathogens, poor nutrition and high viremia. There is a slight inverse association between malarial infection and TB, possibly because treating malaria may reduce the risk of TB.
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