When to initiate combined antiretroviral therapy to reduce mortality and AIDS-defining illness in HIV-infected persons in developed countries: an observational study.
Cain L, Logan R, Robins J, Sterne J, Sabin C, Bansi L, Justice A, Goulet J, van Sighem A, de Wolf F, Bucher H, von Wyl V, Esteve A, Casabona J, del Amo J, Moreno S, Seng R, Meyer L, Perez-Hoyos S, Muga R, Lodi S, Lanoy E, Costagliola D, Hernan M. When to initiate combined antiretroviral therapy to reduce mortality and AIDS-defining illness in HIV-infected persons in developed countries: an observational study. Annals Of Internal Medicine 2011, 154: 509-15. PMID: 21502648, PMCID: PMC3610527, DOI: 10.7326/0003-4819-154-8-201104190-00001.Peer-Reviewed Original ResearchConceptsCD4 cell countCombined end pointHazard ratioCell countCells/LAntiretroviral therapyCells/L.CD4 cell count thresholdBaseline CD4 cell countEnd pointVeterans Health Administration systemInitiation of cARTThreshold CD4 countCorresponding hazard ratiosMortality hazard ratioAIDS-free survivalProspective observational dataHIV-CAUSAL CollaborationMost clinical guidelinesHealth Administration systemUse of CD4Marginal structural modelsCell count thresholdCART initiationDynamic marginal structural models