Age of male circumcision and risk of prevalent HIV infection in rural Uganda

被引:69
作者
Kelly, R
Kiwanuka, N
Wawer, MJ
Serwadda, D
Sewankambo, NK
Wabwire-Mangen, F
Li, CJ
Konde-Lule, JK
Lutalo, T
Makumbi, F
Gray, RH
机构
[1] Johns Hopkins Univ, Sch Hyg & Publ Hlth, Dept Populat Dynam, Baltimore, MD 21205 USA
[2] Uganda Virus Res Inst, Rakai Project, Entebbe, Uganda
[3] Columbia Univ, Sch Publ Hlth, Ctr Populat & Family Hlth, New York, NY USA
[4] Makerere Univ, Inst Publ Hlth, Kampala, Uganda
[5] Makerere Univ, Dept Med, Kampala, Uganda
关键词
male circumcision; HIV-1; sexually transmitted disease; Uganda; Africa;
D O I
10.1097/00002030-199902250-00013
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Objective: To assess whether circumcision performed an postpubertal men affords the same level of protection from HIV-1 acquisition as circumcisions earlier in childhood. Design: Cross-sectional study of a population-based cohort. Setting: Rakai district, rural Uganda. Methods: A total of 6821 men aged 15-59 years were surveyed and venous blood samples were tested for HIV-1 and syphilis. Age at circumcision was dichotomized into men who were circumcised before or at age 12 years (prepubertal) and men circumcised after age 12 years (postpubertal). Postpubertal circumcised men were also subdivided into those reporting circumcision at ages 13-20 years and greater than or equal to 21 years. Results: HIV-1 prevalence was 14.1% in uncircumcised men, compared with 16.2% for men circumcised at age greater than or equal to 21 years, 10.0% for men circumcised at age 13-20 years, and 6.9% in men circumcised at age less than or equal to 12 years. On bivariate analysis, lower prevalence of HIV-1 associated with prepubertal circumcision was observed in all age, education, ethnic and religious groups. Multivariate adjusted odds ratio of prevalent HIV-1 infection associated with prepubertal circumcision was 0.39 [95% confidence interval (CI), 0.29-0.53]. In the postpubertal group, the adjusted odds ratio for men circumcised at ages 13-20 years was 0.46 (95% CI, 0.28-0.77), and 0.78 (95% CI, 0.43-1.43) for men circumcised after age 20 years. Conclusions: Prepubertal circumcision is associated with reduced HIV risk, whereas circumcision after age 20 years is not significantly protective against HIV-1 infection. Age at circumcision and reasons for circumcision need to be considered in future studies of circumcision and HIV risk. (C) 1999 Lippincott Williams & Wilkins.
引用
收藏
页码:399 / 405
页数:7
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