Sensitivity, Specificity, and Accuracy of Lesion-Based Analysis According to Anatomic Location and Submodality
| CT phase | |||||
| Location | Combined CT | Arterial CT | Portal-venous CT | Venous CT | PET |
| All (n = 354) | |||||
| Sensitivity | 77.1% | 53.4% | 66.1% | 66.9% | 72.8% |
| Specificity | 85.3% | 92.9% | 92.3% | 89.7% | 97.4% |
| Accuracy | 79.6% | 65.5% | 74.1% | 73.9% | 80.4% |
| Liver (n = 242) | |||||
| Sensitivity | 84.7% | 53.7% | 72.3% | 70.7% | 78.5% |
| Specificity | 78.9% | 87.3% | 90.1% | 88.7% | 98.6% |
| Accuracy | 73.8% | 61.3% | 76.4% | 74.8% | 83.1% |
| Lymph node (n = 58) | |||||
| Sensitivity | 56.9% | 48.3% | 48.3% | 55.2% | 67.2% |
| Specificity | 85.7% | 95.9% | 89.8% | 85.7% | 100.0% |
| Accuracy | 70.1% | 70.1% | 67.3% | 69.2% | 82.2% |
| Bone* (n = 23) | |||||
| Sensitivity | 69.6% | 69.6% | 69.6% | 69.6% | 21.7% |
| Specificity | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Accuracy | 77.4% | 77.4% | 77.4% | 77.4% | 41.9% |
| Pancreas* (n = 17) | |||||
| Sensitivity | 58.8% | 52.9% | 52.9% | 52.9% | 94.1% |
| Specificity | 100.0% | 100.0% | 100.0% | 00.0% | 80.0% |
| Accuracy | 78.1% | 75.0% | 75.0% | 75.0% | 87.5% |
| Gastrointestinal tract* (n = 2) | |||||
| Sensitivity | 0.0% | 0.0% | 0.0% | 0.0% | 100.0% |
| Specificity | 100.0% | 100.0% | 00.0% | 100.0% | 100.0% |
| Accuracy | 50.0% | 50.0% | 50.0% | 50.0% | 100.0% |
| Basal lung* (n = 6) | |||||
| Sensitivity | 100.0% | 50.0% | 50.0% | 100.0% | 16.7% |
| Specificity | 66.7% | 100.0% | 100.0% | 66.7% | 100.0% |
| Accuracy | 88.9% | 66.7% | 66.7% | 88.9% | 44.4% |
| Other* (n = 6) | |||||
| Sensitivity | 50.0% | 50.0% | 50.0% | 50.0% | 83.3% |
| Specificity | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Accuracy | 66.7% | 66.7% | 66.7% | 66.7% | 78.6% |
↵* Low lesion count; cautious interpretation recommended.