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  • Title: Uptake of combination antiretroviral therapy and HIV disease progression according to geographical origin in seroconverters in Europe, Canada, and Australia.
    Author: Jarrin I, Pantazis N, Gill MJ, Geskus R, Perez-Hoyos S, Meyer L, Prins M, Touloumi G, Johnson A, Hamouda O, de Olalla PG, Porter K, del Amo J, CASCADE Collaboration in EuroCoord.
    Journal: Clin Infect Dis; 2012 Jan 01; 54(1):111-8. PubMed ID: 22109944.
    Abstract:
    BACKGROUND: We examined differences by geographical origin (GO) in time from HIV seroconversion (SC) to AIDS, death, and initiation of antiretroviral therapy (cART). METHODS: Data from HIV seroconverter cohorts in Europe, Australia and Canada (CASCADE) was used; GO was classified as: western countries (WE), North Africa and Middle East (NAME), sub-Saharan Africa (SSA), Latin America (LA), and Asia (ASIA). Differences by GO were assessed using Cox models. Administrative censoring date was 30 June 2008. RESULTS: Of 16 941 seroconverters, 15 548 were from WE, 158 NAME, 762 SSA, 349 LA, and 124 ASIA. We found no differences by GO in risks of AIDS (P = .99) and death (P = .12), although seroconverters from NAME (adjusted hazard ratio [aHR]: 0.57; 95% CI: 0.33-.94) and SSA (aHR: 0.74; 95% CI: 0.50-1.10) appeared to have lower mortality than WE. Chances of initiating cART differed by GO (P < .001): seroconverters from SSA were more likely to initiate cART than WE (aHR: 1.48; 95% CI: 1.26-1.74), but not after adjustment for CD4 at SC (aHR: 1.11; 95% CI: 0.88-1.40). CONCLUSIONS: In settings with universal access to healthcare, GO does not play a major role in HIV disease progression.
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