OS according to DNA or cDNA FLT3-ITD AR and length. OS analysis, stratified on FLT3-ITD ARs, based on patients treated within the HOVON 102 AML cohort: (A) DNA and (B) cDNA measurements. OS from the HOVON 132 AML cohort based on (C) DNA and (D) cDNA. OS according to DNA-based FLT3-ITD length with a cutoff of 48 bp in the (E) HOVON 102 AML cohort and (F) HOVON 132 AML cohort. ND, not detected.