Fig. 3.
Kaplan-Meier survival curves.
(A) Kaplan-Meier survival curve comparing patients with B-CLL whose samples were positive (20% or more) or negative (less than 20%) for CD38 expression; the difference is significant atP = .00005. (B) Kaplan-Meier survival curve showing the survival difference between CD38+ and CD38−patients in the group of patients with CLL who were previously untreated.