Landmark analysis of OS for patients undergoing allogeneic stem cell transplantation vs no transplantation. In MDS (A) and AML (B). Survival is expressed in months after induction. The landmark analysis was set 3 months after induction. Each tick mark represents a censored patient. (A-B) Significantly longer median survival for patients with MDS and AML treated with allogeneic transplantation when compared with those not undergoing transplantation. Allo, allogeneic transplantation.