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Complications in two groups
| Complications | PSO group (n = 25) | VCD group (n = 36) |
|---|---|---|
| Dural tears | 2 (8%) | 3 (8.3%) |
| Transient lower extremity weakness | 1 (4%) | 1 (2.8%) |
| Abdominal tensive lesions | 2 (8%) | 5 (13.9%) |
| Ileus | 0 | 0 |
| Mild sagittal translation | 3 (12%) | 4 (11.1%) |
| PJK | 1 (4%) | 1 (2.8%) |
| Fixation failure | 0 | 0 |
| Main vascular injury | 0 | 0 |
