Research Article
[Retracted] Clinical Study of Virtual Reality Augmented Technology Combined with Contrast-Enhanced Ultrasound in the Assessment of Thyroid Cancer
Table 2
Comparison of different ultrasound signs in differentiating benign and malignant nodules.
| Project | Ultrasound signs | Malignant (%) | Benign (%) | X2 value | value |
| Ingredient | Reality | 100 | 69.8 | 15.096 | ≤0.001 | Cysticity | 0 | 30.2 |
| Echo type | Low echo | 87.8 | 44.5 | 24.389 | ≤0.001 | Wait for echo | 12.2 | 55.7 |
| Texture | Even | 14.6 | 24.3 | 1.257 | 0.261 | Uneven | 85.7 | 76.1 |
| Form | Rule | 39.3 | 84.9 | 48.198 | ≤0.001 | Irregular | 61.2 | 12.5 |
| Aspect ratio | ≥1 | 58.3 | 5.9 | 76.277 | ≤0.001 | <1 | 41.5 | 94.3 |
| Calcification | No | 25.6 | 72.5 | 43.302 | ≤0.001 | Microcalcification | 41.3 | 11.2 | Coarse calcification | 33.1 | 16.8 |
| Edge | Clear | 39.2 | 82.5 | 33.813 | ≤0.001 | Not clear | 61.5 | 17.3 |
| Coating | Envelope invaded | 34.2 | 6.8 | 31.514 | ≤0.001 | Good coating | 65.9 | 93.2 |
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