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Description of the different clinical evaluations performed
| Mean ± SD | PREOP | 3 months | 6 months | 12 months | 24 months |
|---|---|---|---|---|---|
| VAS | 6.6 ± 1.7 | 3.7 ± 1.9 | 3.4 ± 2.1 | 3.5 ± 2.3 | 3.4 ± 2.4 |
| ODI (%) | 47.6 ± 14.6 | 30.3 ± 17.6 | 24.5 ± 17.6 | 21.8 ± 16.3 | 20.6 ± 17.3 |
| GHQ 28 | 64.2 ± 15.6 | 52.5 ± 14.7 | 52.7 ± 15.8 | 52.2 ± 15.4 | 50.6 ± 15.4 |
| SF 36 PCS (%) | 32.4 ± 34.8 | 48.4 ± 39 | 51.9 ± 39.3 | 55.6 ± 39.8 | 59 ± 39.2 |
| SF 36 MCS (%) | 42.3 ± 34.0 | 50.8 ± 34.6 | 52.8 ± 35.6 | 53 ± 36.3 | 58.7 ± 34.6 |
