alexa Universal decline in mortality in patients with advanced HIV-1 disease in various demographic subpopulations after the introduction of HAART in Hong Kong, from 1993 to 2002.
Microbiology

Microbiology

Journal of Antivirals & Antiretrovirals

Author(s): Chan KC, Wong KH, Lee SS

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Abstract OBJECTIVE: Reductions in HIV/AIDS mortality associated with highly active antiretroviral therapy (HAART) have mainly been reported from Western countries. We studied the impact on survival of patients with advanced HIV disease after the introduction of HAART in Hong Kong. METHODS: The mortality pattern in a government clinic cohort of 511 adult HIV-1-infected patients with AIDS or CD4 count <200 cells/microL from 1993 to 2002 was examined. The number of deaths, the crude mortality rate (CMR) and the death rate per 1000 person-months were recorded. RESULTS: Despite an increase in the patient population, 36 deaths occurred in the HAART era (1997-2002) as compared with 56 deaths in the pre-HAART era (1993-1996). The overall annual CMR fell significantly from a high, fluctuating level of 10.8-30.4 per 100 mid-year patient population pre-HAART to a low, steady level of 0.8-6.9 per 100 mid-year population in the HAART era (P=0.004, 1996 vs 1998; P<0.001, 1996 vs 2000; P<0.001, 1996 versus 2002). A fall in CMR was observed in all demographic subpopulations, categorized by sex, ethnicity, HIV exposure risk and age (P ranged from 0.012 to<0.001). Longitudinal tracking until mid-2003 revealed a death rate of 9.2 events/1000 person-months (52 deaths with 5661.5 person-months follow up) among patients first diagnosed as having advanced disease during 1993-1996, and a lower death rate of 2.4 events/1000 person-months (25 deaths with 10551.8 person-months follow up) in patients first diagnosed as having advanced disease during 1997-2001 (rate ratio 3.9; 95\% confidence interval 2.4-6.2). CONCLUSION: There was dramatic temporal decline in mortality in patients with advanced HIV disease in all demographic subpopulations with the advent of HAART. Notwithstanding confounding variables, one reason for the universal decline may be that there was no major disparity in access to HIV care across community groups. This article was published in HIV Med and referenced in Journal of Antivirals & Antiretrovirals

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