Figure 1From: Predicting AIDS-related events using CD4 percentage or CD4 absolute countsThe time to event in months is plotted against the CD4 absolute (A and C) or the CD4 percentage (B and D). The patients who initially presented with an AIDS-related event were censored. The curves were plotted for patients initially seen before 1995 (A and B) and after 1995 (C and D).Back to article page