Fig. 4

The outcomes of patients according to preemptive IFN-α treatment. a 5-year CIR: MRD- after IFN vs. MRD-: 8.3% vs. 11.3%, P = 0.513; MRD- after IFN vs. MRD+ without intervention: 8.3% vs. 36.2%, P = 0.024; MRD- vs. MRD+ without intervention: 11.3% vs. 36.2%, P = 0.004. b 5-year DFS: MRD- after IFN vs. MRD-: 91.7% vs. 80.8%, P = 0.208; MRD- after IFN vs. MRD+ without intervention: 91.7% vs. 59.9%, P = 0.014; MRD- vs. MRD+ without intervention: 80.8% vs. 59.9%, P = 0.019