From: Quantitative detection of myocardial ischaemia by stress echocardiography; a comparison with SPECT
 |  | No Ischaemia at SPECT | Ischaemia at SPECT | ||||
---|---|---|---|---|---|---|---|
QV | CA | Rest | Stress | Reserve | Rest | Stress | Reserve |
A | All | 46.9 ± 14.6 | 55.7 ± 10.1 | 1.13 ± 0.60 | 44.3 ± 15.3 | 52.0 ± 9.6 | 1.33 ± 1.26 |
A |    LAD | 48.7 ± 9.7 | 56.7 ± 11.7 | 1.05 ± 0.32 | 51.2 ± 7.9 | 51.3 ± 4.9 | 0.86 ± 0.20 * |
A |    LCx | 37.1 ± 14.1 | 53.8 ± 6.5 | 1.48 ± 0.91 | 26.0 ± 12.4 | 46.7 ± 1.3 ** | 2.78 ± 2.00 |
A |    RCA | 54.9 ± 13.3 | 56.3 ± 10.9 | 0.92 ± 0.28 | 51.5 ± 13.5 | 57.2 ± 17.0 | 0.82 ± 0.34 |
β | All | 1.12 ± 0.41 | 4.7 ± 3.3 | 2.52 ± 1.98 | 1.26 ± 0.38 | 3.2 ± 1.6 ** | 1.55 ± 0.87 * |
β |    LAD | 1.15 ± 0.36 | 3.8 ± 1.6 | 1.77 ± 0.75 | 1.28 ± 0.25 | 2.7 ± 1.3 | 1.20 ± 0.59 * |
β |    LCx | 1.16 ± 0.47 | 6.4 ± 4.3 | 3.58 ± 2.74 | 1.04 ± 0.26 | 3.9 ± 2.3 | 2.39 ± 1.14 |
β |    RCA | 1.04 ± 0.40 | 4.1 ± 2.8 | 2.28 ± 1.59 | 1.51 ± 0.64 | 3.4 ± 1.8 | 1.41 ± 0.65 * |
Axβ | All | 55.7 ± 32.4 | 261 ± 18 | 3.54 ± 4.60 | 59.6 ± 31.5 | 172 ± 100 ** | 2.87 ± 4.13 |
Axβ |    LAD | 60.2 ± 26.9 | 222 ± 118 | 2.21 ± 1.38 | 68.0 ± 17.2 | 138 ± 58 ** | 1.11 ± 0.71 * |
Axβ |    LCx | 47.0 ± 34.5 | 346 ± 235 | 6.20 ± 7.24 | 28.5 ± 16.7 | 187 ± 111 | 7.91 ± 6.18 |
Axβ |    RCA | 60.2 ± 33.7 | 232 ± 166 | 2.53 ± 2.17 | 79.7 ± 45.8 | 222 ± 147 | 1.35 ± 0.85 * |