Baseline characteristics
| No significant ST elevation (< 1 mm) in lead −aVR (n=129) | ST elevation ⩾ 1 mm in lead −aVR (n=44) | Overall (n=173) | |
| Male | 74 (57) | 31 (70) | 105 (61) |
| Age (mean (SD)) | 62 (10.4) | 61 (9.2) | 62 (10.1) |
| Age ⩾ 75 years | 14 (11) | 2 (4) | 16 (9) |
| Family history of IHD | 63 (49) | 22 (50) | 85 (49) |
| Current smokers | 63 (49) | 24 (54) | 87 (50) |
| Diabetes1-150 | 15 (12) | 0 (0) | 15 (9) |
| Hypertension | 31 (24) | 9 (20) | 40 (23) |
| Hyperlipidaemia | 23 (18) | 7 (16) | 30 (17) |
| Previous angina | 35 (27) | 11 (25) | 46 (27) |
| Previous MI | 35 (27) | 7 (16) | 42 (24) |
| Median pain to ECG (hours) | 2.1 | 1.8 | 2.0 |
| Use of fibrinolytic treatment | 96 (74) | 34 (77) | 130 (75) |
Values are n (%) unless otherwise stated.
↵1-150 p = 0.018.
IHD, ischaemic heart disease; MI, myocardial infarction.