Fig. 2

ROC comparison of the two-stage scoring system with TIMI risk score, GRACE risk score, TIMI risk index, and C-ACS. (A) ROC comparison in derivation datasets. (B) ROC comparison in internal validation datasets.
ROC comparison of the two-stage scoring system with TIMI risk score, GRACE risk score, TIMI risk index, and C-ACS. (A) ROC comparison in derivation datasets. (B) ROC comparison in internal validation datasets.