Clinical Characteristics of Study Population
| Variable | Group 1 (n = 38) | Group 2 (n = 179) | Group 3 (n = 177) |
|---|---|---|---|
| Age (y) | 68.2 ± 14.3 | 69.0 ± 11.4 | 70.3 ± 11.5 |
| Male | 28.9% (11) | 54.2% (97) | 57.0% (101) |
| Diabetes | 27.9% (50) | 30.5% (54) | 28.1% (50) |
| Hypertension | 57.9% (22) | 69.7% (123) | 69.5% (123) |
| Typical angina | 44.7% (40) | 47.5% (84) | 47.2% (84) |
| Ischemic ECG response to adenosine stress | 12.3% (22) | 19.2% (34) | 22.1% (39) |
| No significant CAD | NA | 36.0% (64) | 31.1% (55) |
| Mild/moderate CAD | NA | 41.3% (74) | 45.8% (81) |
| Severe and extensive LAD CAD | NA | 11.7% (21) | 13.0% (23) |
| Severe and extensive multivessel CAD | NA | 11.2% (20) | 10.2% (18) |
ECG = electrocardiography; NA = not applicable.