Table 2 Intra-observer and inter-observer reliability of measuring method.
Method | Intra-observer reliability (ICC, 95% CI) | Inter-observer reliability (ICC, 95% CI) |
---|---|---|
Intraoperative fluoroscopy | 0.940 (0.902–0.963) | 0.951 (0.920–0.970) |
Postoperative AP X-ray | 0.961 (0.936–0.976) | 0.969 (0.949–0.981) |
Postoperative CT scan | 0.957 (0.929–0.974) | 0.971 (0.953–0.983) |