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The sensitivity, specificity, and Youden's index of oral contrast-enhanced ultrasonography (CEUS) and double contrast-enhanced ultra - sonography (DCUS) in detecting lymph node metastasis
| Sensitivity [%] | Specificity [%] | Youden's index | |
|---|---|---|---|
| Oral CEUS | 33.3 | 98.4 | 0.317 |
| DCUS | 86.7 | 60.7 | 0.474 |
