Table 3 Interobserver agreement in the assessment of fracture characteristics shown as kappa (κ) and agreement rates (AR)
Dorsal fracture | |||
| Â | Surg1 | Surg2 | Surg3 |
 Surg4 | κ 0.60, AR 78% | κ 0.57, AR 77% | κ 0.67, AR 82% |
 Surg1 |  | κ 0.44, AR 69% | κ 0.64, AR 80% |
 Surg2 |  |  | κ 0.64, AR 80% |
Ventral fracture | |||
| Â | Surg1 | Surg2 | Surg3 |
 Surg4 | κ 0.55, AR 88% | κ 0.56, AR 90% | κ 0.43, AR 86% |
 Surg1 |  | κ 0.48, AR 86% | κ 0.57, AR 88% |
 Surg2 |  |  | κ 0.53, AR 89% |
Horizontal sacral fracture | |||
| Â | Surg1 | Surg2 | Surg3 |
 Surg4 | κ 0.60, AR 86% | κ 0.26, AR 84% | κ 0.59, AR 87% |
 Surg1 |  | κ 0.18, AR 77% | κ 0.58, AR 85% |
 Surg2 |  |  | κ 0.31, AR 85% |
Comminution/dislocation of ventral fracture | |||
| Â | Surg1 | Surg2 | Surg3 |
 Surg4 | κ 0.36, AR 69% | κ 0.54, AR 85% | κ 0.48, AR 75% |
 Surg1 |  | κ 0.23, AR 63% | κ 0.54, AR 77% |
 Surg2 |  |  | κ 0.32, AR 69% |