Patient Characteristics Grouped by Presence or Absence of Myocardial Ischemia
| Variable | No ischemia | Ischemia | P value |
|---|---|---|---|
| Age (y) | 62.6 ± 13.4 | 66.5 ± 13.4 | 0.25 |
| Male (%) | 54 | 44 | NS |
| Treadmill stress (%) | 64 | 58 | NS |
| SSS | 2.9 ± 4.9 | 9.2 ± 6.6 | 0.001 |
| SRS | 3.4 ± 5.3 | 3.7 ± 5.9 | NS |
NS = not significant.