SPAG1 and acute myeloid leukemia: As presented in Table 1 and Additional file 1: Table S2, only SPAG1 expression had a significant connection with OS and LFS in both AML (both P < 0.001) and non-M3 AML (both P < 0.001) as well as CN-AML (P = 0.005 and 0.006, respectively).