The following outcomes were assessed in the review:
the efficacy of the intervention (in terms of the relative risk reduction),
the MTCT rate without antiretroviral treatment,
the seroprevalence rate of HIV in pregnant women,
the percentage of pregnant women attending antenatal clinics,
the percentage of women accepting HIV screening,
the average life expectancy of individuals uninfected with HIV, and
the average life expectancy of an infected child.