Table 1 Diagnostic performance of the gray-scale US features
From: Sonographic and Doppler predictors of malignancy in ovarian lesions
Indices | Non-hyperechoic solid component | Cystic component | Papillary projection | Septal thickness |
|---|---|---|---|---|
Sensitivity | 92.5% | 55% | 83% | 36% |
Specificity | 97% | 68% | 93.2% | 97% |
Positive predictive value | 94% | 47% | 86% | 86.4% |
Negative predictive value | 96% | 75% | 91.4% | 75% |
Positive likelihood ratio | 32 | 2 | 12 | 12 |
Negative likelihood ratio | 0.08 | 0.67 | 0.18 | 0.76 |
Accuracy | 94.8% | 62% | 88.4% | 82% |
Are under the curve | 0.94 | 0.61 | 0.88 | 0.66 |
p value | < 0.001 | 0.03 | < 0.001 | 0.04 |