Detection of Inferior or Circumflex Involvement
| Finding | PER + AC + RR (n = 33) | AC + RR (n = 82) | FBP + RR (n = 82) | FBP (n = 82) |
|---|---|---|---|---|
| Sensitivity (%) | 67 | 54 | 97 | 92 |
| Specificity (%) | 75 | 95 | 50 | 56 |
| Accuracy (%) | 69 | 76 | 73 | 73 |
| Normalcy rate (%) | 75 | 100 | 53 | 53 |
| Anteroapical false-positive defect (n,%) | 13 (39%) | 17 (21%) | 1 (1%) | 1 (1%) |
| Apical reverse redistribution (n,%) | 7 (21%) | 19 (23%) | 0 (0%) | 0 (0%) |
| Extent of stress defect (segments) | 3.60 ± 2.14 | 3.21 ± 2.40* | 4.06 ± 1.58 | 4.09 ± 1.57 |
| Extent of rest defect (segments) | 2.44 ± 1.92*† | 2.23 ± 2.17* | 2.65 ± 1.66 | 3.26 ± 1.69 |
| Perfusion score in stress defect | 1.41 ± 0.93*† | 1.47 ± 1.11* | 0.55 ± 0.82 | 0.78 ± 0.72 |
| Perfusion score in rest defect | 1.71 ± 1.02* | 1.62 ± 0.99* | 1.27 ± 1.06 | 1.38 ± 0.87 |