Table 2 Corrected resting, hyperaemic myocardial blood flow (MBF), and corrected myocardial perfusion reserve index (MPRI) classified by QCA segmental grading.
|  | Sensitivity | Specificity | AUC ± SE | Diagnostic accuracy |
|---|---|---|---|---|
Overall detection of CAD | ||||
Visual | 92% (24/26) | 79% (11/14) | 0.85 ± 0.06* | 88% (35/40) |
Quantitative | 96% (25/26) | 71% (10/14) | 0.84 ± 0.06* | 88% (35/40) |
Single-vessel Disease | ||||
Visual | 75% (9/12) | 86% (24/28) | 0.80 ± 0.08 | 83% (33/40) |
Quantitative | 58% (7/12) | 96% (27/28) | 0.77 ± 0.09 | 85% (34/40) |
Multi-vessel Disease | ||||
Visual | 71%(10/14) | 85% (22/26) | 0.78 ± 0.08 | 80% (32/40) |
Quantitative | 93% (13/14) | 69% (18/26) | 0.81 ± 0.08 | 78% (31/40) |
Left Anterior Descending Artery | ||||
Visual | 81% (13/16) | 83% (20/24) | 0.82 ± 0.07* | 83% (33/40) |
Quantitative | 94% (15/16) | 67% (16/24) | 0.80 ± 0.08* | 78% (31/40) |
Left Circumflex Artery | ||||
Visual | 57% (8/14) | 88% (23/26) | 0.73 ± 0.09* | 78% (31/40) |
Quantitative | 100% (14/14) | 77% (20/26) | 0.89 ± 0.06* | 85% (34/40) |
Right Coronary Artery | ||||
Visual | 83% (15/18) | 82% (18/22) | 0.83 ± 0.07* | 83% (33/40) |
Quantitative | 100% (18/18) | 64% (14/22) | 0.82 ± 0.07* | 80% (32/40) |