Fig. 4From: Evaluation and comparison of six GRACE models for the stratification of undifferentiated chest pain in the emergency departmentReceiver operating characteristic curves of six GRACE models (a), HEART and TIMI scores (b) for the prediction of MACE within 30 days. GRACE Global Registry of Acute Coronary Events, HEART History, ECG, Age, Risk factors, Troponin, MACE major adverse cardiac events, TIMI Thrombolysis in Myocardial Infarction. * Significantly different from the HEART score. # Significantly different from the TIMI scoreBack to article page