Fig. 2

A Kaplan-Meier survival analysis for OS in Group 1,2 and 3 according to the new predictive model in the training cohort. B Kaplan-Meier survival analysis for OS in Group 1,2 and 3 for patients at high-risk in the training cohort. C Kaplan-Meier survival analysis for OS in Group 1,2 and 3 for patients at low-risk in the training cohort. D OS according to IPI score are shown. (low risk:0–1; low-intermediate risk:2; high-intermediate risk:3; high risk:4–5). E OS according to BL-IPI score are shown (low risk:0; intermediate risk:1; high risk:2–4)