Clinical and ECG characteristics of the two patient groups
| Overall (n = 262) | Stress echo (n = 132) | Exercise ECG (n = 130) | |
|---|---|---|---|
| Results are number (%) or mean (SD). | |||
| EF, ejection fraction; MI, myocardial infarction; WMSI, wall motion score index. | |||
| Clinical characteristics | |||
| Age (years) | 59 (10) | 58 (10) | 59 (11) |
| Female sex | 35 (13%) | 16 (12%) | 19 (15%) |
| Diabetes | 44 (17%) | 23 (17%) | 21 (16%) |
| Smoking | 165(63%) | 85 (65%) | 79 (61%) |
| Hypertension | 111(42%) | 57 (43%) | 54 (41%) |
| Previous angina | 56 (21%) | 27 (20%) | 29 (22%) |
| Previous MI | 22 (8%) | 8 (6%) | 14 (11%) |
| Previous revascularisation | 12 (5%) | 5 (4%) | 7 (5%) |
| Acute MI characteristics | |||
| Non-Q wave on day 3 | 93 (35%) | 44 (33%) | 49 (38%) |
| Thrombolysis | 130(50%) | 76 (58%) | 54 (41%) |
| Anterior/lateral | 84 (32%) | 42 (32%) | 42 (32%) |
| Inferior/posterior | 131(50%) | 63 (48%) | 68 (53%) |
| WMSI | 1.44 (0.22) | 1.38 (0.22) | 1.50 (0.21) |
| EF on day 3 (%) | 55 (7) | 55 (6) | 55 (7) |