Table 2.
Agreement between imaging scan and intra-operative PCI score by PCI region.
| Weighted Kappa (95% CI) | |
|---|---|
| PCI region 0—central | |
| MRI | 0.490 (0.220–0.760) |
| CT | 0.586 (0.347–0.825) |
| PCI region 1—right upper | |
| MRI | 0.612 (0.407–0.817) |
| CT | 0.642 (0.445–0.839) |
| PCI region 2—epigastrium | |
| MRI | 0.578 (0.333–0.823) |
| CT | 0.567 (0.303–0.831) |
| PCI region 3—left upper | |
| MRI | 0.622 (0.386–0.857) |
| CT | 0.747 (0.548–0.945) |
| PCI region 4—left flank | |
| MRI | 0.565 (0.319–0.811) |
| CT | 0.677 (0.448–0.905) |
| PCI region 5—left lower | |
| MRI | 0.537 (0.315–0.759) |
| CT | 0.501 (0.270–0.731) |
| PCI region 6—pelvis | |
| MRI | 0.570 (0.359–0.781) |
| CT | 0.578 (0.377–0.779) |
| PCI region 7—right lower | |
| MRI | 0.439 (0.207–0.671) |
| CT | 0.517 (0.299–0.735) |
| PCI region 8—right flank | |
| MRI | 0.594 (0.417–0.770) |
| CT | 0.598 (0.421–0.774) |
| PCI region 9—upper jejunum | |
| MRI | 0.166 (0.040–0.293) |
| CT | 0 |
| PCI region 10—lower jejunum | |
| MRI | 0.220 (−0.038–0.477) |
| CT | 0.182 (−0.115–0.479) |
| PCI region 11—upper ileum | |
| MRI | 0.277 (0.072–0.482) |
| CT | 0.138 (−0.102–0.378) |
| PCI region 12—lower ileum | |
| MRI | 0.118 (−0.010–0.246) |
| CT | 0 |
Abbreviations: CI, confidence interval; PCI, peritoneal cancer index.