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AIDS. 1994 Nov;8(11):1617-20.

HIV-2-infected patients survive longer than HIV-1-infected patients.

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  • 1Medical Research Council Laboratories, Banjul, The Gambia, West Africa.

Abstract

OBJECTIVE:

To compare survival of patients infected with HIV-1 and HIV-2.

DESIGN:

Longitudinal follow-up of 175 HIV-1- and 294 HIV-2-infected patients identified in, or referred to a hospital in The Gambia.

METHODS:

Survival analysis methods were used and the death rate ratios for HIV-2 relative to HIV-1 patients were estimated using proportional hazard regression models that allowed for age, sex and clinical or immunological features.

RESULTS:

The overall death rate ratio for HIV-2 relative to HIV-1 was 0.67 [95% confidence interval (CI), 0.49-0.91] when adjusted for age, sex and World Health Organization Bangui clinical classification. When allowing for age, sex and three strata of CD4+ count, the rate ratio was 0.64 (95% CI, 0.43-0.94), and for three strata of beta 2-microglobulin levels 0.60 (95% CI, 0.42-0.84).

CONCLUSION:

Mortality rate in HIV-2-infected patients is approximately two-thirds of that for HIV-1-infected patients.

PMID:
7848600
[PubMed - indexed for MEDLINE]
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