Table 3 Summarizes sensitivity, specificity, PPV, NPV, accuracy and p value of suspicious US finding of TN
From: The diagnostic value of ultrasonography in detection of different types of thyroid nodules
Suspicious US finding | Histopathology | Sensitivity | Specificity | PPV | NPV | Accuracy | P value | |||
|---|---|---|---|---|---|---|---|---|---|---|
Benign (n = 34) | Malignant (n = 16) | |||||||||
No. | % | No. | % | |||||||
Taller than wider | 3 | 8.8 | 15 | 93.8 | 93.75 | 91.18 | 83.33 | 96.88 | 92.0 | 0.001 |
Oval shape | 24 | 70.6 | 16 | 100 | 100.0 | 29.41 | 40.0 | 100.0 | 52.0 | 0.020 |
Hypoechoic | 13 | 38.2 | 14 | 87.50 | 87.50 | 61.76 | 51.85 | 91.30 | 70.0 | 0.001 |
Ill-defined halo | 0 | 0.0 | 4 | 25.0 | 25.0 | 100.0 | 100.0 | 73.91 | 76.0 | 0.008 |
Solid echotexture | 30 | 88.2 | 16 | 100 | 100.0 | 11.76 | 34.87 | 100.0 | 40.0 | 0.292 |
Central vascularity | 1 | 2.9 | 8 | 50.0 | 50.0 | 97.06 | 88.89 | 80.49 | 82.0 | 0.001 |
microcalcification | 1 | 2.9 | 16 | 100 | 100.0 | 97.06 | 94.12 | 100.0 | 98.0 | 0.001 |