Fig. 7
Area under receiver operating characteristics curve (AUCROC) for AUCQRS (a) and ST20 (b) during ischemia; ROC curves for AUCQRS at the end of ischemia (c); distribution of AUCQRS in stabilization (ST) and at the end of ischemia (I) and corresponding discriminating cut-off values (d). L, H, L&H – hearts with low and high LV mass fraction and united group, respectively