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Intraoperative complications
| Complication | Number in first cohort | Number in second cohort | Total number |
|---|---|---|---|
| Glenoid fracture | 1 | 1 | 2 |
| Calcar fracture | 1 | 0 | 1 |
| Humeral shaft fracture | 1 | 0 | 1 |
| Medial vault penetration | 3 | 0 | 3 |
| Center glenoid hole too large | 2 | 1 | 2 |
| Center glenoid hole redrilled | 0 | 1 | 2 |
| Poor screw fixation | 5 | 3 | 8 |
| No anterior screw | 2 | 1 | 3 |
| Total complications | 15 | 7 | 22 |
