Leukemia-free and overall survival. (A) The probability of leukemia-free survival after haploidentical relative (a), ≤5/8 (b), and 6-8/8 (c) UCB transplant. (B) The probability of overall survival after haploidentical relative (a), ≤5/8 (b), and 6-8/8 (c) UCB transplant.