Table 3 Localization performance of the proposed approach (mean and 95% confidence interval (CI)).
Tasks | Region/vessel | Metrics | ||||||
|---|---|---|---|---|---|---|---|---|
Accuracy | Sensitivity | Specificity | PPV | NPV | F1 | AUC | ||
Localization of Ischemic Region | Apex | 71.5 (52.8, 84.7) | 74.4 (44.0, 90.4) | 71.9 (48.8, 85.6) | 69.3 (40.4, 85.3) | 80.1 (53.0, 92.5) | 68.2 (47.2, 83.3) | 0.72 (0.63, 0.81) |
Anterior wall | 77.1 (58.0, 89.1) | 76.4 (44.6, 91.7) | 78.0 (55.2, 90.1) | 69.7 (39.1, 86.7) | 86.4 (61.4, 95.6) | 69.8 (47.3, 85.6) | 0.76 (0.69, 0.83) | |
Septal wall | 86.7 (69.0, 94.7) | 86.3 (48.3, 95.9) | 86.1 (65.5, 95.4) | 72.3 (37.4, 91.1) | 94.3 (73.7, 98.5) | 77.6 (51.4, 91.3) | 0.82 (0.70, 0.94) | |
Inferior wall | 81.1 (62.4, 91.6) | 75.4 (46.4, 90.7) | 85.3 (61.7, 94.0) | 82.5 (51.2, 92.9) | 83.8 (59.1, 93.9) | 76.3 (54.7, 89.6) | 0.82 (0.76, 0.88) | |
Lateral wall | 75.6 (56.9, 87.6) | 80.7 (73.4, 91.8) | 73.5 (50.8, 87.2) | 64.0 (35.3, 84.3) | 89.0 (63.1, 95.9) | 68.6 (47.2, 84.0) | 0.71 (0.56, 0.86) | |
Average | 78.4 | 78.6 | 79 | 71.6 | 86.7 | 72.1 | 0.77 | |
Localization of Coronary Artery Stenosis | LAD | 71.1 (64.3, 77.1) | 82.7 (75.4, 88.2) | 42.5 (30.3, 55.8) | 78.0 (70.5, 84.1) | 50.0 (36.1, 63.9) | 80.3 (75.2, 84.6) | 0.63 (0.60, 0.66) |
LCX | 60.3 (52.8, 67.3) | 83.5 (74.3, 89.8) | 37.8 (28.5, 48.2) | 69.7 (39.1, 86.7) | 70.4 (55.8, 81.7) | 67.5 (60.9, 73.5) | 0.60 (0.57, 0.63) | |
RCA | 64.5 (57.0, 71.3) | 61.6 (51.1, 71.1) | 68.1 (57.5, 77.1) | 66.5 (55.7, 75.8) | 63.1 (52.8, 72.2) | 63.6 (56.1, 70.6) | 0.65 (0.62, 0.68) | |
Average | 65.3 | 75.9 | 49.5 | 71.4 | 61.2 | 70.5 | 0.63 | |