Probabilities of duration of event-free survival according to tumor response.

(A) Probability of duration of event-free survival according to tumor response at day 33 of induction. Four patients were not evaluated for this analysis. (B) Probability of duration of event-free survival according to tumor regression at the end of induction. Two patients with less than 70% tumor regression on day 33 who continued with ALL–high-risk therapy are excluded.