Validation of the proposed World Health Organization staging system for HIV disease and infection in a cohort of intravenous drug users
Aylward R, Vlahov D, Muñoz A, Rapiti E. Validation of the proposed World Health Organization staging system for HIV disease and infection in a cohort of intravenous drug users. AIDS 1994, 8: 1129-1134. PMID: 7986411, DOI: 10.1097/00002030-199408000-00015.Peer-Reviewed Original ResearchConceptsIntravenous drug usersClinical stage 1Proportional hazards modelStaging systemProduct limit estimatesWorld Health OrganizationALIVE studyHIV diseaseHazards modelPopulation of IVDUWorld Health Organization (WHO) staging systemDrug usersCox proportional hazards modelStage 1WHO staging systemTime of progressionStage 2Index visitHIV seropositivityHIV-seropositivePrognostic utilityClinical stageClinical criteriaOriginal cohortClinical signs