Fig. 5: Kaplan-Meier survival analyses of risk groups stratified by ENKTL-ML score.
From: Development and validation of a predictive model for extranodal natural killer/T-cell lymphoma

OS in the evaluation cohort (a), external validation cohort 1 (c) and external validation cohort 2 (e); PFS in the evaluation (b), external validation cohort 1 (d) and external validation cohort 2 (f). OS overall survival, PFS progression-free survival.