Table 5. Diagnostic performance of STE in differentiating malignant and benign lesions*.
| Shell | Cutoff value (kPa) | Sensitivity (%) | Specificity (%) | AUROC (95% CI) |
|---|---|---|---|---|
| 1mm | ||||
| Emax | 99.20 | 90.0 | 98.0 | 0.980 (0.961, 0.999) |
| Emean | 25.87 | 90.0 | 81.0 | 0.904 (0.858, 0.950) |
| Esd | 19.09 | 80.0 | 98.0 | 0.957 (0.929, 0.985) |
| 2mm | ||||
| Emax | 100.43 | 98.3 | 97.0 | 0.989 (0.974, 1.000) |
| Emean | 27.89 | 91.7 | 87.0 | 0.944 (0.911, 0.978) |
| Esd | 18.39 | 91.7 | 97.0 | 0.987 (0.974, 1.000) |
| 3mm | ||||
| Emax | 100.43 | 98.6 | 97.0 | 0.998 (0.994, 1.000) |
| Emean | 31.22 | 86.7 | 94.0 | 0.957 (0.928, 0.987) |
| Esd | 18.33 | 95.0 | 97.0 | 0.994 (0.986, 1.000) |
*The values obtained over operator 1