PDCD7 and acute myeloid leukemia: Patients with high PDCD7 expression had shorter OS and RFS in CN-AML, respectively (OS: hazard ratio (HR) 2.564; 95% confidence interval (CI), 1.628–4.039; P<0.001; RFS: HR, 3.343; 95% CI, 1.412–7.916; P = 0.006; Fig. 4).