18F-FDG PET and Regular Follow-up Performances at Patient Level
| Modality | TP | FN | TN | FP | Sensitivity | Specificity | PPV | NPV | Accuracy |
|---|---|---|---|---|---|---|---|---|---|
| 18F-FDG PET | 18* | — | 13 | 17 | 100%† | 43% | 51%† | 100%† | 65%† |
| Regular follow-up | — | 18 | 18 | 12 | 0% | 60% | — | 50% | 38% |
↵* In 2 patients, 18F-FDG PET showed both true- and false-positive results.
↵† Significant difference between 18F-FDG PET and regular follow-up using 95% confidence interval analysis.
TP = true-positive; FN = false-negative; TN = true-negative; FP = false-positive; PPV = positive predictive value; NPV = negative predictive value.