Surgical technique evaluation
| Criterion | % Pre-test | % Post-test | p value, paired t test |
|---|---|---|---|
| Criteria evaluated as 1 done or 0 not done | |||
| Anchor placed between 5:00 and 6:00 on the glenoid clock face | 52 | 72 | 0.017 |
| Insertion point on edge of glenoid cartilage (articular rim) | 43 | 68 | 0.008 |
| 45° angle insertion to the joint surface | 43 | 77 | < 0.001 |
| Depth insertion: to the line on anchor guide handle | 43 | 58 | 0.12 |
| Portal used for anchor placement: above subscapularis tendon (lower portal anterior) | 78 | 95 | 0.006 |
| Criteria evaluated on Likert scale (1 = very poor; 5 = excellent) | |||
| Camera manipulation: able to maintain a stable and centred image (himself or by asking the assistant to do so) during most of the procedure | 71 | 68 | 0.59 |
| Overall performance | 49 | 60 | < 0.001 |
| Total | 56% ± 3% | 67% ± 2% | < 0.001 |