Accuracy of 13 Diagnostic Criteria in the 36 Patients with 18F-FDG PET/MR Scans
| Category | Accuracy before enhancement | Accuracy after enhancement | Difference |
| Diagnosis | 0.667 (0.519–0.778) | 0.611 (0.454–0.731) | 0.056 (−0.074–0.157) |
| Organ/location | 0.926 (0.833–0.963) | 0.87 (0.741–0.935) | 0.056 (−0.028–0.148) |
| Cyst | 0.843 (0.694–0.778) | 0.75 (0.602–0.852) | 0.093 (−0.019–0.204) |
| Homogeneity | 0.667 (0.528–0.778) | 0.685 (0.546–0.796) | −0.019 (−0.167–0.093) |
| Necrosis | 0.556 (0.426–0.667) | 0.565 (0.417–0.676) | −0.009 (−0.139–0.139) |
| Definition of margins | 0.713 (0.574–0.806) | 0.667 (0.519–0.778) | 0.046 (−0.065–0.148) |
| Infiltration | 0.63 (0.472–0.472) | 0.657 (0.519–0.759) | −0.028 (−0.148–0.083) |
| Crossing of midline | 0.852 (0.750–0.907) | 0.833 (0.685–0.907) | 0.019 (−0.065–0.111) |
| Vessel encasement | 0.843 (0.728–0.907) | 0.787 (0.648–0.870) | 0.056 (−0.056–0.157) |
| Thrombosis | 0.898 (0.787–0.954) | 0.861 (0.722–0.935) | 0.037 (−0.046–0.120) |
| Liver metastasis | 0.852 (0.769–0.898) | 0.917 (0.796–0.963) | −0.065 (−0.148–0.019) |
| Bone marrow metastasis | 0.852 (0.704–0.926) | 0.806 (0.648–0.898) | 0.046 (−0.028–0.130) |
| Lymph node metastasis | 0.843 (0.694–0.926) | 0.824 (0.676–0.917) | 0.019 (−0.120–0.139) |
Data represent relative agreement with standard of reference (1.00 = 100%). Data in brackets are 95% confidence intervals. Differences from the confidence interval not straddling zero were considered significant.