Table II.
Exercise stress test characteristics
| Parameter | Overall (n = 63) | No ischemia (n = 40) | Ischemia (n = 23) | P-value |
|---|---|---|---|---|
| Total exercise time [min] | 8.1 ±2.7 | 7.9 ±2.4 | 8.4 ±3.1 | 0.469 |
| Maximum workload [METS] | 7.4 ±2.8 | 7.3 ±2.8 | 7.7 ±2.8 | 0.560 |
| Percentage of maximum predicted heart rate (%) | 82 ±12 | 83 ±12 | 80 ±11 | 0.464 |
| Baseline systolic arterial pressure [mm Hg] | 131 ±24 | 133 ±22 | 128 ±26 | 0.445 |
| Peak exercise systolic arterial pressure [mm Hg] | 157 ±21 | 158 ±21 | 155 ±22 | 0.555 |
| Peak exercise diastolic arterial pressure [mm Hg] | 80 ±9 | 79 ±9 | 82 ±8 | 0.162 |
| Exercise-induced angina | 9 (14%) | 6 (15%) | 3 (13%) | 1.0 |
| Exercise-induced ST depression 0.1 mV | 13 (21%) | 8 (20%) | 5 (22%) | 1.0 |
| Exercise-induced ST depression 0.2 mV | 5 (8%) | 3 (8%) | 2 (9%) | 1.0 |
| Myocardial necrosis | 21 (33%) | 9 (22%) | 12 (52%) | 0.016 |
| LV end-diastolic volume [ml/m2] | 86 (68–120) | 82 (60–102) | 94 (76–133) | 0.121 |
| LV end-systolic volume [ml/m2] | 38 (25–55) | 35 (18–53) | 44 (27–73) | 0.114 |
| LV ejection fraction (%) | 57 ±12 | 59 ±13 | 54 ±11 | 0.093 |
LV – left ventricle, METS – metabolic equivalents.