Fig. 2From: Enhancement of the International prognostic index with β2-microglobulin, platelet count and red blood cell distribution width: a new prognostic model for diffuse large B-cell lymphoma in the rituximab eraOverall survival (OS) for risk groups defined by four prognostic models in the validation cohort (n = 297). a OS stratified by the new model; (b) OS stratified by the International Prognostic Index (IPI); (c) OS stratified by the revised IPI (R-IPI); (d) OS stratified by the National Comprehensive Cancer Network- IPI (NCCN-IPI)Back to article page