Comparison of the prevalence rates of HIV infection between men who have sex with men (MSM) and men in the general population in sub-Saharan Africa: a systematic review and meta-analysis

Abstract Background According to the 2015 report of the Joint United Nations Program on Human Immunodeficiency Virus (HIV) and Acquired Immune Deficiency Syndrome (AIDS), the prevalence rates of HIV infection among men who have sex with men (MSM) varied from 6 to 37% depending on the country, far ex...

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Main Authors: P. H. Septime Hessou, Yolaine Glele-Ahanhanzo, Rheda Adekpedjou, Carin Ahouada, R. Christian Johnson, Michel Boko, Hervé Tchala Vignon Zomahoun, Michel Alary
Format: Article
Language:English
Published: BMC 2019-12-01
Series:BMC Public Health
Subjects:
Online Access:https://doi.org/10.1186/s12889-019-8000-x
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author P. H. Septime Hessou
Yolaine Glele-Ahanhanzo
Rheda Adekpedjou
Carin Ahouada
R. Christian Johnson
Michel Boko
Hervé Tchala Vignon Zomahoun
Michel Alary
author_facet P. H. Septime Hessou
Yolaine Glele-Ahanhanzo
Rheda Adekpedjou
Carin Ahouada
R. Christian Johnson
Michel Boko
Hervé Tchala Vignon Zomahoun
Michel Alary
author_sort P. H. Septime Hessou
collection DOAJ
description Abstract Background According to the 2015 report of the Joint United Nations Program on Human Immunodeficiency Virus (HIV) and Acquired Immune Deficiency Syndrome (AIDS), the prevalence rates of HIV infection among men who have sex with men (MSM) varied from 6 to 37% depending on the country, far exceeding the national prevalence rates. The present study on HIV infection among men who have sex with men in sub-Saharan Africa was conducted to describe the different sampling methods used to identify this target population and compare the prevalence rates of HIV infection among MSM to that of men in the general population. Methods The selection of studies to be included was carried out in the principal electronic databases. The 2009 Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) directives were used throughout the entire process. Bias evaluation was performed using the Mixed Methods Appraisal Tool. For each country, HIV prevalence values in both groups were calculated. A prevalence ratio was also calculated to compare the prevalence rates of the two groups. Results Seventeen articles were selected. Most of the studies (82.35%) used the Respondent-Driven Sampling method. The average prevalence rate was 17.81% (range: 3.7–33.46) for MSM and 6.15% (range: 0.5–19.7) for men in the general population. Overall, the human HIV prevalence rate was 4.94 times higher among MSM than among men in the general population (95%CI: 2.91–8.37). The western and central regions of Africa, as well as low-prevalence countries (prevalence < 1%), had very high prevalence ratios: 14.47 (95% CI: 9.90–21.13) and 28.49 (95% CI: 11.47–72.71), respectively. Conclusion MSM are at higher risk of HIV infection than men in the general population. The prevalence ratios are particularly elevated in West and Central Africa as well as in low-prevalence countries. Close monitoring of the situation, research and preventive measures are essential to control the epidemic amongst MSM.
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spelling doaj.art-fa7576c3ce4842fc96344792f5b1125d2022-12-21T22:09:07ZengBMCBMC Public Health1471-24582019-12-0119111010.1186/s12889-019-8000-xComparison of the prevalence rates of HIV infection between men who have sex with men (MSM) and men in the general population in sub-Saharan Africa: a systematic review and meta-analysisP. H. Septime Hessou0Yolaine Glele-Ahanhanzo1Rheda Adekpedjou2Carin Ahouada3R. Christian Johnson4Michel Boko5Hervé Tchala Vignon Zomahoun6Michel Alary7Centre National de Référence de Recherche et de Prise en Charge du Sida (CNRRPEC-CNHU/Bénin)Axe Santé des populations et pratiques optimales en santé Centre de Recherche du CHU de Québec, Université Laval, Hôpital du Saint-SacrementCentre Inter-facultaire de Formation et de Recherche en Environnement pour le Développement (CIFRED), Université d’Abomey-Calavi (UAC)Institut Régional de Santé Publique (IRSP), Université d’Abomey-Calavi (UAC)Centre de Recherche sur les Soins et Services de Première Ligne de l’Université Laval (CERSSPL-UL), Université LavalCentre de Recherche sur les Soins et Services de Première Ligne de l’Université Laval (CERSSPL-UL), Université LavalCentre Inter-facultaire de Formation et de Recherche en Environnement pour le Développement (CIFRED), Université d’Abomey-Calavi (UAC)Institut Régional de Santé Publique (IRSP), Université d’Abomey-Calavi (UAC)Abstract Background According to the 2015 report of the Joint United Nations Program on Human Immunodeficiency Virus (HIV) and Acquired Immune Deficiency Syndrome (AIDS), the prevalence rates of HIV infection among men who have sex with men (MSM) varied from 6 to 37% depending on the country, far exceeding the national prevalence rates. The present study on HIV infection among men who have sex with men in sub-Saharan Africa was conducted to describe the different sampling methods used to identify this target population and compare the prevalence rates of HIV infection among MSM to that of men in the general population. Methods The selection of studies to be included was carried out in the principal electronic databases. The 2009 Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) directives were used throughout the entire process. Bias evaluation was performed using the Mixed Methods Appraisal Tool. For each country, HIV prevalence values in both groups were calculated. A prevalence ratio was also calculated to compare the prevalence rates of the two groups. Results Seventeen articles were selected. Most of the studies (82.35%) used the Respondent-Driven Sampling method. The average prevalence rate was 17.81% (range: 3.7–33.46) for MSM and 6.15% (range: 0.5–19.7) for men in the general population. Overall, the human HIV prevalence rate was 4.94 times higher among MSM than among men in the general population (95%CI: 2.91–8.37). The western and central regions of Africa, as well as low-prevalence countries (prevalence < 1%), had very high prevalence ratios: 14.47 (95% CI: 9.90–21.13) and 28.49 (95% CI: 11.47–72.71), respectively. Conclusion MSM are at higher risk of HIV infection than men in the general population. The prevalence ratios are particularly elevated in West and Central Africa as well as in low-prevalence countries. Close monitoring of the situation, research and preventive measures are essential to control the epidemic amongst MSM.https://doi.org/10.1186/s12889-019-8000-xHIVMen who have sex with men (MSM)PrevalenceSub-Saharan Africa
spellingShingle P. H. Septime Hessou
Yolaine Glele-Ahanhanzo
Rheda Adekpedjou
Carin Ahouada
R. Christian Johnson
Michel Boko
Hervé Tchala Vignon Zomahoun
Michel Alary
Comparison of the prevalence rates of HIV infection between men who have sex with men (MSM) and men in the general population in sub-Saharan Africa: a systematic review and meta-analysis
BMC Public Health
HIV
Men who have sex with men (MSM)
Prevalence
Sub-Saharan Africa
title Comparison of the prevalence rates of HIV infection between men who have sex with men (MSM) and men in the general population in sub-Saharan Africa: a systematic review and meta-analysis
title_full Comparison of the prevalence rates of HIV infection between men who have sex with men (MSM) and men in the general population in sub-Saharan Africa: a systematic review and meta-analysis
title_fullStr Comparison of the prevalence rates of HIV infection between men who have sex with men (MSM) and men in the general population in sub-Saharan Africa: a systematic review and meta-analysis
title_full_unstemmed Comparison of the prevalence rates of HIV infection between men who have sex with men (MSM) and men in the general population in sub-Saharan Africa: a systematic review and meta-analysis
title_short Comparison of the prevalence rates of HIV infection between men who have sex with men (MSM) and men in the general population in sub-Saharan Africa: a systematic review and meta-analysis
title_sort comparison of the prevalence rates of hiv infection between men who have sex with men msm and men in the general population in sub saharan africa a systematic review and meta analysis
topic HIV
Men who have sex with men (MSM)
Prevalence
Sub-Saharan Africa
url https://doi.org/10.1186/s12889-019-8000-x
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