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. 2020 Feb 11;21(3):369–376. doi: 10.3348/kjr.2019.0581

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