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Preoperative radiographic factors related to postoperative cyst development
| Cyst (−) | Cyst (+) | OR | P value | |
|---|---|---|---|---|
| Instability (−) | 155 | 16 | 1 | |
| Instability (+) | 47 | 12 | 2.47 | 0.026 |
| Scoliosis (−) | 157 | 22 | ||
| Scoliosis (+) | 45 | 6 | ||
| Scoliotic disc wedging (−) | 139 | 14 | 1 | |
| Scoliotic disc wedging (+) | 63 | 14 | 2.23 | 0.048 |
| Sagittal imbalance (−) | 133 | 13 | 1 | |
| Sagittal imbalance (+) | 69 | 15 | 2.22 | 0.045 |
OR odds ratio, Cyst intraspinal facet cyst which existed 1 year postoperatively
