Figure 2From: Maternal anaemia and duration of zidovudine in antiretroviral regimens for preventing mother-to-child transmission: a randomized trial in three African countries Kaplan-Meier failure curve showing anaemia failure (Hb <8.0Â g/dL) by intervention arm, with onset of risk at enrolment (Figure 2 A) and at delivery (Figure 2 B), censored at 18Â months follow-up. Back to article page