Age in years, mean (SD) | 58.6 (14.3) | 64 (15) | |
Men (%) | 429 (61.5) | 270 (58.3) | 0.303 |
Previous angina (%) | 220 (31.5) | 186 (40.2) | 0.002 |
Previous myocardial infarction (%) | 166 (23.8) | 139 (30.0) | 0.023 |
Hypertension (%) | 341 (48.9) | 197 (42.5) | 0.037 |
Hyperlipidaemia (%) | 337 (48.3) | 186 (40.2) | 0.008 |
Diabetes mellitus (%) | 125 (17.9) | 80 (17.3) | 0.854 |
Smoking (%) | 216 (30.9) | 96 (20.7) | <0.001 |
Family history of coronary heart disease (%) | 337 (48.3) | 171 (36.9) | <0.001 |
Previous coronary intervention (%) | 140 (20.1) | 102 (22.0) | 0.480 |
Peripheral vascular disease (%) | 13 (1.9) | 15 (3.2) | 0.224 |
Cerebrovascular disease (%) | 71 (10.2) | 30 (6.5) | 0.037 |
Time from symptom onset |
0–3 h | 324 (46.4) | 212 (45.8) | 0.079 |
3–6 h | 166 (23.8) | 94 (20.3) |
6–12 h | 148 (21.2) | 64 (13.8) |
>12 h | 60 (8.6) | 93 (20.1) |