Table 5 Diagnostic parameters for PTC
PTC | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|
Mild Hypoechogenicity | 38% | 61% | 24% | 76% |
Marked hypoechogenicity | 44% | 82% | 44% | 82% |
Microlobulated/ irregular margins | 60% | 73% | 41% | 85% |
Microcalcifications | 33% | 93% | 60% | 82% |
Taller than wide | 33% | 88% | 47% | 81% |
No thin halo | 89% | 30% | 29% | 90% |