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. 2016 Jan 28;30(3):487-93.
doi: 10.1097/QAD.0000000000000930.

Adult life expectancy trends in the era of antiretroviral treatment in rural Uganda (1991-2012)

Gershim Asiki  1 , Georges Reniers, Robert Newton, Kathy Baisley, Jessica Nakiyingi-Miiro, Emma Slaymaker, Ivan Kasamba, Janet Seeley, Jim Todd, Pontiano Kaleebu, Anatoli Kamali
Affiliations

Adult life expectancy trends in the era of antiretroviral treatment in rural Uganda (1991-2012)

Gershim Asiki et al. AIDS. .

Abstract

Objective: To estimate the impact of antiretroviral therapy (ART) on population-wide adult life expectancy.

Study design: A population-based open cohort study with repeated HIV status measurements and registration of vital events in Southwestern Uganda (1991-2012).

Methods: Nonparametric survival analysis techniques are used for estimating trends in the adult life expectancy of the general population (aged 15 and above), the adult life expectancy by HIV status, and the adult life expectancy deficit. The life expectancy deficit is estimated as the difference between overall life expectancy and life expectancy of the HIV-negative population. All estimates are disaggregated by sex.

Results: Between 1991-1993 and 2009-2012, population-wide adult life expectancy increased from 39.3 [95% confidence interval (CI): 35.9-42.8] to 56.1 years (95% CI: 54.0-58.5) in women, and from 38.6 (95% CI: 35.4-42.1) to 51.4 years (95% CI: 49.2-53.7) in men. Most of the adult life expectancy gains coincide with the introduction of ART in 2004; as evidenced by an increase in the adult life expectancy of people living with HIV between 2000-2002 and 2009-2012 of 22.9 and 20.0 years for women and men, respectively. Over the whole period of observation, the adult life expectancy deficit associated with HIV decreased from 16.1 (95% CI: 12.7-19.8) to 6.0 years (95% CI: 4.1-7.8) among women, and from 16.0 (95% CI: 12.1-19.9) to 2.8 years (95% CI: 1.2-4.6) among men.

Conclusion: Population-wide life expectancy increased substantially, largely driven by reductions in HIV-related mortality. Women have gained more adult life years than men since the introduction of ART, but the burden of HIV in terms of the life years lost is still larger for women than it is for men.

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Figures

Figure 1
Figure 1
(a-d): Adult LE trends with 95%-confidence intervals by sex, period and HIV status (Kyumalibwa GPC, 1991-2012)
Figure 2
Figure 2
age group contributions to the adult life-years gained between 1991-2001 and 2009-2012 (upper panel), and the adult LE deficit associated with HIV in 2009-2012 (lower panel), Kyamulibwa GPC
See this image and copyright information in PMC

References

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