GRACE-scale risk stratification Characteristic Rate (%) TIMI points Low risk (n=44) 27, 1 87, 21 ± 15, 08 Medium risk (n = 56) 34, 6 123, 13 ± 10, 15 High risk (n = 62) 38, 3 150, 60 ± 14, 48 All most of patients in our study were at medium risk (n = 56 for 34.6%) and high risk (n = 62 and for 38.3%).