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Pre- and postoperative JOA grade and cervical curvature index (CCI) and ASIA grade
| Preoperative | The last follow-up | p | Improvement rate of JOA grade (%) | |
|---|---|---|---|---|
| JOA grade | 9.21 ± 4.38 | 13.17 ± 4.01 | 0.000 | 54.88 ± 33.72 |
| CCI | 18.90 ± 0.91 | 10.60 ± 0.43 | 0.000 | |
| ASIA grade | 0.010 |
