Table 4.
Agreement on US descriptors and final assessment between the radiologist and S-Detect
| US feature | k value (95% CI) |
|
|---|---|---|
| Radiologist vs. S-Detect | ||
| Shape | Oval | 0.64 (0.54-0.73) |
| Round | ||
| Lobular | ||
| Irregular | ||
| Margin | Circumscribed | 0.30 (0.20-0.40) |
| Indistinct | ||
| Angular | ||
| Microlobulated | ||
| Spiculated | ||
| Echo pattern | Anechoic | 0.34 (0.18-0.49) |
| Hyperechoic | ||
| Isoechoic | ||
| Hypoechoic | ||
| Complex | ||
| Orientation | Parallel | 0.61 (0.49-0.73) |
| Not parallel | ||
| Lesion boundary | Abrupt interface | 0.26 (0.11-0.41) |
| Echogenic halo | ||
| Posterior features | Absent | 0.29 (0.16-0.41) |
| Enhancement | ||
| Shadowing | ||
| Combined | ||
| Final assessment | Possibly benign | 0.58 (0.47-0.69) |
| Possibly malignant | ||
US, ultrasonography; CI, confidence interval.