Prognosis of APL patients with WBC ≥ 3 × 109/L stratified by CD95 genotype. OS (A), RFS (B), and death from infection (C) in APL cases with a WBC count ≥ 3 × 109 L−1 by CD95 −1377 genotype (GG vs GA + AA). Percentages shown on Kaplan-Meier plot are at 5 years. The analysis for death from infection censors at deaths from other or unknown causes. Obs indicates observed; and Exp, expected.