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Diagnostic efficacy of the different US feature for discrimination malignant nodules
| Ultrasound feature | Sensitivity | Positive predictive value | Negative predictive value |
|---|---|---|---|
| Hypoechogenicity | 77.4% (CI 95% : 64.71-86.68%) | 90.76% | 73.23% |
| Absence of halo | 80.64% (CI 95% : 68.25-89.18%) | 91.11% | 69.87% |
| Microcalcification | 46.1% (CI 95% : 32.67-58.28%) | 84.98% | 87.35% |
| Intranodular vascularity | 43.54% (CI 95% : 31.20-56.68%) | 84.49% | 87.68% |
