Table 2

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 model (test on arrival only)

Very low riskLow riskModerate riskHigh risk
Total number of patients (%)306 (42.7)134 (18.7)227 (31.7)49 (6.8)
Number (%) with ACS6 (2.0)16 (11.9)39 (17.2)44 (89.8)
Number (%) with AMI4 (1.3)16 (12.3)26 (11.6)43 (87.8)