Effect of FAB subtype and age on DFS.

(A) Probability of DFS after bone marrow transplantation for myelodysplasia, according to FAB subtype. (B) Probability of DFS in children and adults with refractory anemia and refractory anemia with ring sideroblasts. (C) Probability of DFS in children and adults with refractory anemia with excess of blasts and refractory anemia with excess of blasts in transformation.