Table 1

Characteristics of the 12 sub-Saharan Africa studies included in the review of retention in HIV care prior to antiretroviral therapy (ART) eligibility

Country (reference)	Year of the study	Urban/rural	Programmatic context	ART eligibility criteria	Population	Overall population size in pre-ART care	Population size prior to ART eligibility
Papers
Kenya, Malawi, Uganda12	2004–2011	Rural and urban	HIV programmes supported by an NGO	Until January 2007: CD4 <200 or WHO stage IV Since January 2007: CD4 <200 or WHO stage III/IV Since March 2010: CD4 <350 or WHO stage III/IV	≥15 years old	N=55 789	N=10 314
South Africa13	2010–2011	Urban	Clinic operated by an NGO	CD4 ≤350	Pregnant women ≥18 years old	N=271	N=112
South Africa14	2010–2011	Urban	Clinic operated by an NGO	CD4 ≤350	Non-pregnant adult ≥18 years old	N=842	N=155
Kenya15	2008–2010	Rural	Public healthcare institution	CD4 <200 OR WHO stage III/IV OR no CD4 count and WHO staging at baseline	≥15 years old and with HIV diagnosis <3 months before registration in care	N=530	N=530
Guinea-Bissau16	2005–2012	Urban	National hospital	Undefined	≥16 years old	N=484	N=484
Kenya17	2005–2007	Urban	Clinic supported by an NGO	CD4 <250 or WHO stage III/IV	Not clear	N=1024	N=1024
South Africa18	2004–2009	Periurban	Public clinic	CD4 <200	≥18 years old	N=419	N=419
South Africa19	2007–2008	Rural	Public HIV programme	CD4 <200	≥16 years old	N=4223	N=4223
Mozambique21	2005–2009	Rural and urban	National ART programme	WHO stage IV OR WHO stage III and CD4 <350 OR CD4 <200	≥15 years old	N=17 598	N=12 992
Uganda20	2008–2011	Semirural and urban	Public HIV programme	CD4 <350	≥18 years old	N=6473	N=6473
Conferences abstracts
Nigeria22	2009–2012	Urban	Unknown	CD4 <350	≥18 years old	N=414	N=191
Zambia23	2009–2010	Rural and urban	District hospital	CD4 <250 OR WHO stage III/IV	≥15 years old	N=145	N=145

NGO, non-governmental organisation.