Statistical Evaluation of Examination Parameter (Greenhouse–Geisser Test)
| Parameter | Modality | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | ||||
|---|---|---|---|---|---|---|---|---|---|
| Detection of malignancy | CT | 76.6 | 63.9 | 79.0 | 60.5 | ||||
| PET | 84.4 | 61.1 | 79.4 | 68.8 | |||||
| Fusion | 89.1 | 63.9 | 81.4 | 76.7 | |||||
| Differences statistically not significant, P > 0.05 | |||||||||
| Infiltration of adjacent tissue | CT | 47.7 | 100.0 | 100.0 | 11.5 | ||||
| PET | Not measured | ||||||||
| Fusion | 68.2 | 66.7 | 96.8 | 1.3 | |||||
| Differences statistically significant, P < 0.01 | |||||||||
| Lymph node metastasis | CT | 25.8 | 75.0 | 66.7 | 34.3 | ||||
| PET | 25.8 | 75.0 | 66.7 | 34.3 | |||||
| Fusion | 32.3 | 75.0 | 71.4 | 36.4 | |||||
| Differences statistically not significant, P > 0.05 | |||||||||
PPV = positive predictive value; NPV = negative predictive value.