Table 5.
Diagnostic Performance Indices for each category excluding BTA U3 and ACR-TIRADS/AI-TIRADS TR3 nodules
| BTA (n = 152) | ACR-TIRADS (n = 169) | AI-TIRADS (n = 166) | |
|---|---|---|---|
| Sensitivity (%) | 98.28 (90.76, 99.96) | 95.24 (86.71, 99.01) | 93.44 (84.05, 98.18) |
| Specificity (%) | 42.55 (32.41, 53.18) | 40.57 (31.13, 50.54) | 45.71 (35.96, 55.72) |
| PPV (%) | 51.35 (46.92, 55.76) | 48.78 (44.63, 52.94) | 50.00 (45.32, 54.68) |
| NPV (%) | 97.56 (84.96, 99.65) | 93.48 (82.27, 97.79) | 92.31 (55.43, 70.59) |
| Accuracy (%) | 63.82 (55.64, 71.44) | 60.95 (53.16, 68.35) | 63.25 (55.43, 70.59) |
ACR-TIRADS, American College of Radiology Thyroid Imaging Reporting and Data System; AI-TIRADS, Artificial Intelligence TIRADS; BTA, British Thyroid Association; NPV, negative predictive value; PPV, positive predictive value.