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Clinical outcome assessment.
| Preoperative | 1-month follow-up | 3-month follow-up | 6-month follow-up | 1-year follow-up | |
|---|---|---|---|---|---|
| ODI | 77.63 ± 5.36 | 61.85 ± 8.65 | 50.52 ± 12.37 | 38.89 ± 10.56 | 34.70 ± 13.56 |
| VAS | 7.70 ± 0.65 | 5.03 ± 1.35 | 4.07 ± 1.09 | 3.23 ± 1.28 | 2.70 ± 1.21 |
VAS, Visual Analogue Scale; ODI, Oswestry Disability Index.
