Table 5.
Comparison of Area under the Curve (AUC) values between the investigated risk stratification systems (RSSs) via Hanley and McNeil Test *.
| RSSs | Kwak- TIRADS |
ACR TI-RADS |
EU- TIRADS |
Korean- TIRADS |
ATA Guidelines |
|---|---|---|---|---|---|
| Kwak-TIRADS | - | p = 0.760 | p = 0.909 | p = 0.941 | p = 0.939 |
| ACR TI-RADS | p = 0.760 | - | p = 0.844 | p = 0.702 | p = 0.814 |
| EU-TIRADS | p = 0.909 | p = 0.844 | - | p = 0.849 | p = 0.969 |
| Korean-TIRADS | p = 0.941 | p = 0.702 | p = 0.849 | - | p = 0.879 |
| ATA Guidelines | p = 0.939 | p = 0.814 | p = 0.969 | p = 0.879 | - |
Abbreviations: RSS—Risk Stratification System; TIRADS/TI-RADS —Thyroid Imaging Reporting and Data System; ACR—American College of Radiology; EU—European Union; ATA—American Thyroid Association. * Thyroid nodules (TNs) that were not classifiable (N/A) are not included.