Table 4 Diagnosis of tumor recurrence by ceCT and 18F-FDG PET/CT
| Â | ceCT | PET/CT | Combination of ceCT and PET/CT | p -value | |
|---|---|---|---|---|---|
| Â | Â | Â | Â | ceCT vs PET/CT | ceCT vs Combination |
Sensitivity* | 26/34 (76%) | 30/34 (88%) | 32/34 (94%) | 0.16 | 0.03 |
Specificity* | 7/16 (44%) | 11/16 (69%) | 6/16 (38%) | 0.10 | 1.00 |
PPV | 26/35 (74%) | 30/35 (86%) | 32/42 (76%) | 0.72 | 1.00 |
NPV | 7/15 (47%) | 11/15 (73%) | 6/8 (75%) | 0.55 | 1.00 |
Accuracy | 33/50 (66%) | 41/50 (82%) | 38/50 (76%) | 0.11 | 0.38 |