Outcomes of patients based on body mass index category. (A) Event-free survival, (B) overall survival, (C) cumulative incidence of refractory/relapsed disease, and (D) cumulative incidence of death in first remission according to body mass index category at diagnosis in 227 children with acute myeloid leukemia. Data were analyzed with the patients categorized by body mass index as underweight, healthy weight, or overweight/obese.