TIMI-scale risk stratification Characteristic Rate (%) TIMI points Low risk (n=19) 11, 7 1, 89 ± 0, 46 Medium risk (n = 85) 52, 5 3, 65 ± 0, 55 High risk (n = 58) 35, 8 5, 99 ± 0, 78 All most of patients studied were in the medium-risk group (n = 85 accounting for 52.5%), the high-risk group (n = 58 accounting for 35.8%), while the low-risk group had only 19 patients (11, 7%).