Table 2.
Cohen’s kappa statistics for interreader agreement on CT signs of ischaemic bowel
| CT finding | Cohen’s kappa (95% CI) |
| Mural thickening | 0.735 (0.57, 0.90) |
| Mural thinning | −0.011 (−0.31, 0.29) |
| Pneumatosis | 0.592 (0.40, 0.78) |
| Bowel wall oedema | 0.523 (0.33, 0.72) |
| Small bowel faeces sign | 0.529 (0.24, 0.82) |
| Mesenteric stranding | 0.450 (0.24, 0.66) |
| Bowel obstructiona | NA |
| Bowel loop dilatation | 0.516 (0.31, 0.72) |
| Differential mural enhancement | 0.493 (0.23, 0.75) |
| Venous thrombosis | −0.020 (−1.15, 1.00) |
| Aterial occlusion | 0.560 (0.31, 0.81) |
| Arterial calcification | 0.624 (0.44, 0.81) |
| Ascites | 0.577 (0.30, 0.85) |
| Solid organ infarction | 0.822 (0.69, 0.96) |
| Free intraperitoneal air | 0.915 (0.80, 1.00) |
| Portal venous gas | 0.859 (0.67, 1.00) |
| Mesenteric venous gas | 0.576 (0.25, 0.90) |
| IABP | 1.000 (1.00, 1.00) |
CI, confidence interval; IABP, intra-arterial balloon pump.
a
Not observed in this patient group.