Table 3.
Sensitivity, specificity, positive and negative predictive value and accuracy for the prediction of LN group metastasis by 68Ga-DOTANOC and 18F-FDG PET through visual assessment.
| 68Ga-DOTANOC PET | 18F-FDG PET | p value | |
|---|---|---|---|
| Sensitivity (%) (95% CI) | 77.78 (52.36-93.59) | 38.89 (17.30-64.25) | 0.018 |
| Specificity (%) (95% CI) | 91.67 (73.00-98.97) | 100 | 0.489 |
| PPV (%) (95% CI) | 87.5 (64.48-96.43) | 100 | 1.000 |
| NPV (%) (95% CI) | 84.62 (69.68-92.94) | 69.57 (55.20-80.92) | 0.150 |
| Accuracy (%) (95% CI) | 85.71 (71.46-94.57) | 68.57 (60.15-75.93) | 0.175 |
PPV, positive predictive value; NPV, negative predictive value.