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This article describes immunological HIV progression, mortality, and its predictors in 974 Zambian adults. During 3138 person-years of follow-up, 281 deaths occurred, and the overall mortality rate was 9.0 per 100 person-years. Thirty-six percent of patients were dead within 5 years of enrollment. The median survival in patients with baseline CD4 count ≥500 cells/mm³ was 5.62 years, with CD4 count between 200 and 499 cells/mm³ 5.46 years, and with CD4 count <200 cells/mm³ 3.89 years. The mortality rate increased significantly with older age (6.9 in patients <25 years, 9.3 in individuals aged 25-39 years, 10.2 in patients ≥40 years) and was higher in women (rate ratio 1.29). The median annual change of progression markers was -29.6 cells/mm³ for CD4 count, -3.0% for CD4 count percentage, 1.2 nmol/L for neopterin, -1.9 g/L for hemoglobin, and -70 cells/mm³ for total lymphocyte count. Hemoglobin and neopterin were as accurate as CD4 count to predict mortality.

Original publication

DOI

10.1177/1545109707303989

Type

Journal article

Journal

J Int Assoc Physicians AIDS Care (Chic)

Publication Date

01/2008

Volume

7

Pages

17 - 26

Keywords

Adult, Age Distribution, Anemia, Biomarkers, CD4 Lymphocyte Count, Cohort Studies, Disease Progression, Female, HIV Infections, Humans, Kaplan-Meier Estimate, Male, Neopterin, Prognosis, Sex Distribution, Zambia