Fig. 1
From: The extension of total gain (TG) statistic in survival models: properties and applications
Predictiveness curve, TG(t) and TG STD (t) at 2 years in the breast cancer study. a the Kaplan-Meier survival estimates over time,\(\widehat {\pi }_{0}(t);\)b plot of predicted survival probabilities \( S(t^{\ast }|z;\widehat {\beta })\) vs the PI of the model; c the predictiveness curve R(υ;t∗) at t∗=2; dTG(t) is the shaded area - see text and Additional file 2 for the prognostic factors included in the model