Table 1

Baseline characteristics of included patients

Total (n=999)AMI (n=132)No AMI (n=867)
Age in years, mean (SD)58.1 (15.2)64.9 (15.0)57.0 (15.0)
Men (%)630 (63.1)92 (69.7)538 (62.1)
Previous angina (%)270 (27.0)47 (35.6)223 (25.7)
Previous myocardial infarction (%)280 (28.0)47 (35.6)233 (26.9)
Previous coronary intervention (%)228 (22.8)191 (22.0)37 (28.0)
Previous coronary artery bypass graft (%)73 (7.3)17 (12.9)56 (6.5)
Hypertension (%)483 (48.3)77 (58.3)406 (46.8)
Hyperlipidaemia (%)387 (38.7)64 (48.5)323 (37.3)
Type 1 diabetes mellitus (%)22 (2.2)7 (5.3)15 (1.7)
Type 2 diabetes mellitus (%)198 (19.8)35 (26.5)163 (18.8)
Current smoking (%)200 (20.0)33 (25.0)167 (19.3)
Time from symptom onset to arrival in the ED, n (%)
 <3 hours538 (53.9)77 (58.3)461 (53.2)
 3–6 hours199 (19.9)23 (17.4)176 (20.3)
 >6 hours197 (19.7)25 (19.0)172 (19.9)
  • AMI, acute myocardial infarction.