Table 1.
Interrater reliability displayed in terms of intraclass correlation coefficient (ICC)
| ICC (95% CI) | According to Portney et al. | |
|---|---|---|
| Measurement parameter | ||
| Posttraumatic alpha angle | 0.83 (0.65–0.92) | Good reliability |
| Posttraumatic beta angle | 0.92 (0.84–0.96) | Excellent reliability |
| Posttraumatic adapted gamma angle | 0.88 (0.75–0.94) | Good reliability |
| Posttraumatic depth of RHSL | 0.96 (0.90–0.98) | Excellent reliability |
| Posttraumatic glenoid defect area | 0.98 (0.96–0.99) | Excellent reliability |
| Posttraumatic glenohumeral centring | 0.89 (0.76–0.95) | Good reliability |
| Posttraumatic glenoid version | 0.96 (0.92–0.98) | Excellent reliability |
| Posttraumatic scapulohumeral centring | 0.91 (0.83–0.94) | Excellent reliability |
| Follow-up glenohumeral centring | 0.87 (0.69–0.95) | Good reliability |
| Follow-up osteoarthritis | 1 (1–1) | Excellent reliability |
CI confidence interval, RHSL reverse Hill–Sachs lesion