Sensitivity (%) | Specificity (%) | PPV | NPV | p value | ||
Echogenicity | Hypoechoic | 72% (36/50) | 66% (46/70) | 60% | 77% | 0.01 |
Vascularity | Intra-nodular | 88% (44/50) | 69% (48/70) | 67% | 89% | 0.01 |
Calcification | Micro-calcification | 48% (24/50) | 94% (66/70) | 86% | 72% | 0.01 |
Echo structure | Solid | 74% (37/50) | 63% (44/70) | 59% | 77% | 0.01 |