Table 6 ROC analyses of ADC measured by the whole volume, single slice and small solid-sample methods for benign and malignant thyroid nodules
From: Effect of region of interest on ADC and interobserver variability in thyroid nodules
Category | Small solid-sample ROI | Single-slice ROI | Whole-volume ROI |
|---|---|---|---|
AUC | 0.891 | 0.870 | 0.934 |
Cut-off value (×10−3 mm2/s) | 1.90 | 1.90 | 1.84 |
Sensitivity | 83.3% | 83.3% | 80.0% |
Specificity | 80.0% | 78.3% | 88.3% |
Youden Index | 0.616 | 0.600 | 0.683 |