Table 1 Overall inter-observer agreement
| Â | Classification | Classification | Â | Treatment | Â | Â |
|---|---|---|---|---|---|---|
Modality | Kappa Score | 95% Confidence Interval | Strength of Agreement | Kappa Score | 95% Confidence Interval | Strength of Agreement |
Plain film X-ray | 0.1416 | (0.1177-0.1655) | slight | 0.2852 | (0.2600-0.3104) | fair |
2D CT scan | 0.0690 | (0.0000-0.0920) | slight | 0.3285 | (0.3028-0.3543) | fair |
3D reconstruction | 0.0947 | (0.0710-0.1185) | slight | 0.3082 | (0.2817-0.3346) | fair |