Twenty-four-month OS and EFS curves. Hazard ratios: (A) 0.83, (B) 0.81, (C) 0.59, (D) 0.88, (E) 0.81, (F) 0.46. High-risk defined as sAML or adverse cytogenetics or ≥70 years of age. sAML: Secondary AML: a history of antecedent hematologic disorder, usually with MDS, MPN, or history of cytotoxic treatment for non-hematologic malignancy.