Figure 4From: Survival of AIDS patients in Sao Paulo-Brazil in the pre- and post-HAART eras: a cohort study Cumulative probability of survival in patients with AIDS for the three study periods* according to age, exposure category, schooling and CD4+ count at AIDS diagnosis**. AIDS Cohort, CRT-DST/AIDS, 1988-2003. *AIDS diagnosis periods (A) = the period from 1988 to 1993, (B) =1994-1996; (C) =1997-2003. **Log rank tests performed for each variable second periods of diagnosis.Back to article page