Table 3.
Comparison of Diagnostic Quality (Sensitivity, Specificity, Accuracy) for Risk Category Assessment by Means of US Only, US+SE and US+SE+V Models
| Risk Category by Ultrasound Evaluation | Correct Diagnostic | Se (%) | Sp (%) | Acc (%) |
|---|---|---|---|---|
| Low Risk | ||||
| US | 100/204 | 49.01 | 89.47 | 57.85 |
| US+SE | 165/204 | 80.88 | 94.70 | 83.90 |
| US+SE+V | 165/204 | 80.88 | 96.49 | 84.29 |
| High Risk | ||||
| US | 31/57 | 54.38 | 94.60 | 90.03 |
| US+SE | 45/57 | 78.94 | 97.05 | 93.10 |
| US+SE+V | 52/57 | 91.22 | 97.05 | 98.08 |
| Intermediate + High Risk | ||||
| US | 51/57 | 91.71 | 49.01 | 57.85 |
| US+SE | 54/57 | 94.73 | 80.88 | 83.90 |
| US+SE+V | 55/57 | 96.43 | 80.88 | 91.18 |
Note: Final pathology report 204 benign cases, 57 malignant cases.
Abbreviations: Se, sensitivity; Sp, specificity; Acc, accuracy; SE, Real-Time Elastography; V, Volumetric Real-time three-dimensional ultrasound.