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Preoperative and postoperative VAS and KPS scores
| Evaluation | KPS | VAS |
|---|---|---|
| Pre-implantation | 44.5 ± 7.2 | 7.2 ± 1.9 |
| 1 month post-implantation* | 73.2 ± 7.0 | 4.7 ± 1.1 |
| 3 months post-implantation* | 75.0 ± 6.6 | 3.8 ± 1.2 |
| 6 months post-implantation* | 75.9 ± 7.2 | 3.6 ± 1.0 |
*All values given as mean ± SD, p < 0.05 compared with the preoperative scores
