| index | Postoperative | Postoperative 1 week | Postoperative 3 month | Postoperative 6 month | Postoperative 12 month | Last follow-up |
| Low back pain VAS score | 6.3 ± 1.8 | 2.2 ± 1.01 | 0.7 ± 0.61 | 0.6 ± 0.81 | 0.6 ± 0.61 | 0.8 ± 0.51 |
| Leg pain VAS score | 5.7 ± 1.6 | 1.3 ± 0.91 | 0.6 ± 0.51 | 0.9 ± 0.61 | 1.0 ± 0.81 | 0.8 ± 0.71 |
| ODI/% | 55.1 ± 10.2 | - | 18.7 ± 5.61 | 15.3 ± 4.21 | 12.3 ± 3.11 | 11.0 ± 2.01 |