Table 5. Added Value of CAD System for Diagnosis of Malignant Thyroid Nodules according to Experience Level of Radiologists with Conjunctive Combination Analysis.
| Diagnostic Measures (%) | Without CAD | With CAD | P |
|---|---|---|---|
| Accuracy | |||
| Resident | 83.03 (76.52–88.02) | 80.00 (73.20–85.42) | 0.317 |
| Fellow | 83.03 (76.52–88.02) | 82.42 (75.85–87.50) | 0.808 |
| Staff | 95.76 (91.37–97.96) | 88.48 (82.65–92.53) | 0.005 |
| Sensitivity | |||
| Resident | 64 (44.00–80.09) | 92 (73.06–97.99) | 0.008 |
| Fellow | 72 (51.78–86.03) | 92 (73.06–97.99) | 0.025 |
| Staff | 84 (64.31–93.86) | 92 (73.06–97.99) | 0.157 |
| Specificity | |||
| Resident | 86.43 (79.70–91.17) | 77.86 (70.23–83.97) | 0.005 |
| Fellow | 85.00 (78.09–90.01) | 80.71 (73.34–86.43) | 0.083 |
| Staff | 97.86 (93.57–99.31) | 87.86 (81.33–92.32) | < 0.001 |
| PPV | |||
| Resident | 45.71 (30.22–62.09) | 42.59 (30.20–55.99) | 0.871 |
| Fellow | 46.15 (31.35–61.67) | 46.00 (32.82–59.77) | 0.973 |
| Staff | 87.50 (67.62–95.91) | 57.50 (41.96–71.69) | < 0.001 |
| NPV | |||
| Resident | 93.08 (87.23–96.36) | 98.20 (93.08–99.55) | 0.009 |
| Fellow | 94.44 (88.80–97.33) | 98.26 (93.32–99.56) | 0.026 |
| Staff | 97.16 (92.69–98.93) | 98.40 (93.83–99.60) | 0.212 |