Table 2 Sensitivity, specificity, and accuracy of PCI scores of PET/MRI and MRI with surgical PCI as gold standard
| DW-MRI PCI | PET/MRI PCI | |||||||
|---|---|---|---|---|---|---|---|---|
| PCI region | Patients with tumor found in surgery (n) | Sensitivity (%) | Specificity (%) |
Accuracy (%) | Sensitivity (%) | Specificity (%) |
Accuracy (%) | |
| PCI 0 | Central | 28 | 71.4 | 66.7 | 73.5 | 82.1 | 50.0 | 76.4 |
| PCI 1 | Right upper quadrant | 31 | 80.6 | 66.7 | 79.4 | 77.4 | 66.7 | 76.4 |
| PCI 2 | Epigastrium | 24 | 68.3 | 80.0 | 64.7 | 58.3 | 80.0 | 64.7 |
| PCI 3 | Left upper quadrant | 25 | 76.0 | 100.0 | 82.4 | 64.0 | 100.0 | 73.5 |
| PCI 4 | Left flank | 23 | 82.6 | 72.7 | 79.4 | 73.9 | 63.6 | 70.6 |
| PCI 5 | Left lower quadrant | 32 | 65.6 | 50.0 | 64.7 | 65.6 | 50.0 | 64.7 |
| PCI 6 | Pelvis | 33 | 81.8 | 100 | 82.3 | 93.9 | 100 | 94.1 |
| PCI 7 | Right lower quadrant | 31 | 61.3 | 100.0 | 64.7 | 67.7 | 100.0 | 70.6 |
| PCI 8 | Right flank | 23 | 56.5 | 72.7 | 61.8 | 82.6 | 54.5 | 73.6 |
| PCI 9 | Proximal jejunum | 15 | 46.7 | 68.4 | 58.8 | 73.3 | 57.9 | 64.7 |
| PCI 10 | Distal jejunum | 18 | 55.6 | 66.7 | 58.8 | 72.2 | 87.5 | 79.4 |
| PCI 11 | Proximal ileum | 23 | 52.2 | 100.0 | 67.6 | 43.5 | 81.8 | 55.9 |
| PCI 12 | Distal ileum | 27 | 59.3 | 100.0 | 67.6 | 88.9 | 85.7 | 88.2 |