Table 2.
Pre-operative and 6- and 12-month post-operative ODI, VAS and SF-36 scores
| Mean score±SD | Pre-operative | 6 months | 12 months |
|---|---|---|---|
| ODI | 53.38 ± 18.30 | 26.15 ± 15.46 | 10.38 ± 8.01 |
| VAS back pain | 68.00 ± 22.55 | 26.54 ± 22.90 | 16.31 ± 13.38 |
| VAS leg pain | 48.31 ± 34.64 | 32.92 ± 25.81 | 19.62 ± 17.08 |
| SF-36 category | |||
| Physical | 36.54 ± 24.97 | 67.65 ± 14.51 | 64.23 ± 5.34 |
| Social | 47.39 ± 41.02 | 75.41 ± 30.36 | 73.92 ± 7.25 |
| Role (physical) | 37.61 ± 38.92 | 41.56 ± 40.23 | 41.77 ± 12.11 |
| Role (emotional) | 42.07 ± 46.86 | 62.40 ± 45.17 | 61.46 ± 6.28 |
| Mental | 54.85 ± 17.02 | 62.79 ± 20.31 | 55.38 ± 5.88 |
| Energy | 54.07 ± 14.86 | 60.60 ± 19.76 | 63.23 ± 7.75 |
| Pain | 16.01 ± 15.11 | 49.99 ± 22.91 | 46.54 ± 7.32 |
| Health perception | 62.16 ± 21.13 | 61.25 ± 21.24 | 61.46 ± 7.20 |