eTable 1. Study procedure with follow-up time points.
| Before surgery | At surgery | After surgery | 1 week | 3 weeks | 5 weeks | 6 weeks | 12 weeks | 6 months | |
| Informed consent | x | ||||||||
| Demographic data | x | ||||||||
| Randomization | x | ||||||||
| Rehabilitation | Immobilization with Gilchrist bandage |
Assisted/active up to 60° flexion/ abduction, 0° external rotation / extension |
Assisted/active up to 90° flexion/ abduction, 20° external rotation/ extension |
Full range of motion permitted |
Full loading permitted (>15 kg) |
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| Radiography | x | x | x | ||||||
| DASH test | x | x | x | ||||||
| Simple Shoulder Test | x | x | x | ||||||
| Oxford Shoulder Score | x | x | x | ||||||
| Complications | x | x | x | x | x | x | x | x |