Table 3: Observer agreement in the evaluations of SIJ abnormalities using MRI. Cohen's kappa values are shown with their 95% CIs.
| Category | Observed | 95% CI |
| Bilateral Chronic | 0.75 | (0.2194 - 0.9868) |
| Lt Active | 1 | (0.3958 - 1) |
| Lt Chronic | 0.9 | (0.5412 - 0.9948) |
| Rt Active | 0.8 | (0.2988 - 0.9895) |
| Rt Chronic | 1 | (0.31 - 1) |
| Composite | 0.9231 | (0.734 - 0.9866) |