Table 2 Comparison of symptom-limited exercise stress testing according to the presence of vasospastic angina (VA)
Patients without VA (n = 676) | Patients with VA (n = 300) | p-value | |
|---|---|---|---|
Left ventricular ejection fraction, % | 68.1 ± 7.8 | 68.4 ± 6.6 | 0.556 |
Exercise time, min | 8.8 ± 2.2 | 8.7 ± 2.3 | 0.358 |
Metabolic equivalents | 9.8 ± 4.3 | 9.4 ± 2.3 | 0.082 |
Rest heart rate, bpm | 70.5 ± 12.7 | 67.8 ± 11.6 | 0.002 |
Max heart rate, bpm | 152.1 ± 22.4 | 145.5 ± 21.2 | <0.001 |
HRR, bpm | 30.5 ± 22.2 | 24.6 ± 18.0 | <0.001 |
Blunted HRR | 180 (26.6%) | 118 (39.3%) | <0.001 |
Rest systolic BP, mmHg | 125.9 ± 13.2 | 126.9 ± 12.2 | 0.243 |
Rest diastolic BP, mmHg | 78.0 ± 8.9 | 78.6 ± 9.1 | 0.394 |
Max systolic BP, mmHg | 170.0 ± 17.5 | 169.1 ± 17.3 | 0.474 |
Max diastolic BP, mmHg | 81.8 ± 10.3 | 80.8 ± 10.3 | 0.168 |