OS and PFS analysis according to diagnostic and common prognostic predictive scores (IPI and PIT). (A) OS and PFS of patients for each diagnosis. (B) IPI score was divided into 3 categories: low for IPI 0-1, intermediate for IPI 2-3, and high for IPI 4-5. OS and PFS were analyzed by Kaplan-Meier curves. (C) The PIT score was also divided into 3 categories: low for PIT 0, intermediate for PIT 1-2, and high for PIT 3-4.