Sensitivity, Specificity, and Predictive Values for PET and CT for Neck Dissection
| CT | PET/CT | ||||
| Parameter | Percentage | 95% confidence interval | Percentage | 95% confidence interval | P |
| Sensitivity | 39.1 | 25.1–54.6 | 76.1 | 61.2–87.4 | <0.001 |
| Specificity | 92.6 | 75.7–99.1 | 96.3 | 81.0–99.9 | Not significant |
| Positive prognostic value | 90.0 | 68.3–98.9 | 97.2 | 85.9–99.9 | Not significant |
| Negative prognostic value | 47.2 | 33.3–61.4 | 70.3 | 53.0–84.1 | 0.03 |