Fig. 1. Survival curves showing (A) progression-free survival (PFS). Median PFS was not reached, and the estimated 2-year PFS and 3-year PFS rates were 70% and 60%, respectively; (B) overall survival. The estimated 2-year OS rate was 93.3%; (C) PFS between the high-risk and low/intermediate-risk groups of IPSSWM (P=0.20).

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