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Comparison of the parameters in the contrast-enhanced ultrasound (CEUS) between benign and metastatic lymph nodes in NPC patients.
| Group | No. of cases | PI, dB | TP, s | AUC, dB × s |
|---|---|---|---|---|
| Metastatic lympho nodes of NPC | 80 | 10.51 ± 2.98 | 16.52 ± 6.95 | 784.09 ± 340.24 |
| Benign lymph nodes | 64 | 12.51 ± 2.15 | 23.79 ± 11.80 | 1110.33 ± 286.17 |
| t-value | −4.668 | −4.603 | −6.129 | |
| P-value | 0.000 | 0.000 | 0.000 |
