Table 4 Diagnostic Performance of the VI-RADS Score for Each Reader (cut off ≥ 4)
Reader | Sensitivity (%) | Specificity (%) | Accuracy (%) | PPV (%) | NPV (%) | AUC (%) |
|---|---|---|---|---|---|---|
Reader 1 (Experienced) | 90.5(69.6 -98.8) | 84.0(63.9—95.5) | 87.0 | 82.6 | 91.3 | 92.3(80.5—98.1) |
Reader 2 (Experienced) | 95.2(76.2 -99.9) | 80.0(59.3—93.2) | 87.0 | 80.0 | 95.2 | 95.5(85.0—99.4) |
Reader 3 (Experienced) | 95.2(76.2 -99.9) | 84.0(63.9 -95.5) | 89.1 | 83.3 | 95.5 | 95.8(85.4—99.5) |
Reader 4 (Inexperienced) | 90.5(69.6 -98.8) | 80.0(59.3—93.2) | 84.8 | 79.2 | 90.9 | 91.6(79.6—97.7) |
Reader 5 (Inexperienced) | 90.5(69.6 -98.8) | 72.0(50.6—87.9) | 80.4 | 76.0 | 90.0 | 90.4(78.0—97.1) |
Pooled experienced readers | 93.7(84.5–98.2) | 82.7(72.2–90.4) | 87.7 | 82.0 | 93.9 | 94.5(89.3–97.7) |
Pooled inexperienced readers | 90.5(77.4–97.3) | 76.0(61.8–86.9) | 82.6 | 76.0 | 90.5 | 91.0(83.1–95.9) |
Pooled all readers | 92.4(85.5–96.7) | 80.0(71.9–86.6) | 85.7 | 79.5 | 92.6 | 93.2(89.2–96.1) |