FLT3 and acute myeloid leukemia: Analysing the cohorts independently, the same observation was apparent; FLT3‐ITD was significantly associated with poor outcome only in female patients in the HOVON1 cohort, and the same trend was observed in the HOVON2, Beat AML and LAML‐TCGA cohorts, although not significant (Figs S15 and S16; Table S12a–e).