When applied to the RT-qPCR data in our cohort, low PCDH17 expression remained an adverse indicator for OS both in the whole cohort (n = 97) (P = 0.048, Fig. 5c) and in the CN-AML subsets (n = 36) (P = 0.039, Fig. 5d). This evidence concerns the gene PCDH17 and acute myeloid leukemia.