Table 3

Proportion of patients with acute coronary syndrome (ACS) and acute myocardial infarction (AMI) in the four risk groups for the Troponin-only Manchester Acute Coronary Syndromes (T-MACS) model (test on arrival and at 3 hours)

Very low riskLow riskModerate riskHigh risk
Total number of patients (%)198 (31.2)159 (25.1)209 (33.0)68 (10.7)
Number (%) with ACS1 (0.5)7 (4.4)27 (12.9)62 (91.2)
Number (%) with AMI0 (0.0)6 (3.8)15 (7.2)61 (89.7)