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Current HIV Research

Editor-in-Chief

ISSN (Print): 1570-162X
ISSN (Online): 1873-4251

Delayed Diagnosis of HIV Infection in a Multicenter Cohort: Prevalence, Risk Factors, Response to HAART and Impact on Mortality

Author(s): Paz Sobrino-Vegas, Lucia Garcia-San Miguel, Ana M. Caro- Murillo, Jose M. Miro, Pompeyo Viciana, Cristina Tural, Maria Saumoy, Ignacio Santos, Julio Sola, Julia del Amo, Santiago Moreno and CoRIS

Volume 7, Issue 2, 2009

Page: [224 - 230] Pages: 7

DOI: 10.2174/157016209787581535

Price: $65

Abstract

To study the prevalence of Delayed HIV Diagnosis (DHD) and its associated risk factors, to evaluate the effect of DHD on virological and immunological responses to HAART and to estimate the impact of DHD on all-causes mortality. Prospective cohort of 2, 564 HIV-positive HAART-naive subjects attending 19 hospitals in Spain, 2004-2006. Estimations were made by logistic regression and survival analyses by Cox regression models. Prevalence of DHD was 37.3% (35.0-39.6). DHD was related to low educational level (OR:1.31, 95%CI:1.0-1.7). Compared to men who have sex with men (MSM), DHD was more frequent in heterosexuals (OR:1.9 95%CI:1.5-2.5) and injection drug users (IDUs) (OR:2.0 95%CI:1.5-2.8).. An interaction between age and sex was found. Although risk of having DHD did not increase after age 30 in women, it increased linearly with age in men. No differences in virological (OR 1.2 95%CI: 0.8-1.8) and CD4 T cell (OR 1.1 95%CI: 0.7-1.8) responses to HAART were seen. The adjusted hazard ratio for death in patients with DHD was 5.2, (95%CI: 1.9-14.5). DHD is very common, especially in older men, heterosexuals and IDUs. Although we did not find differences in virological and immunological responses to HAART, we did observe higher mortality in people with DHD. Increased efforts to early diagnose HIV infection are urgently needed.

Keywords: Late HIV diagnosis, HIV, antiretroviral therapy, cohort study, late presentation, early diagnosis


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