Pre- and postoperative VAS score, ODI and number of patients using analgesics
| Pre | Post | 1 month | 3 months | 6 months | 1 year | Difference within (p value) | |
| VAS | 8.2±1.3 | 1.1±1.1 | 2.6±2.0 | 1.7±1.7 | 1.5±1.4 | 1.3±1.4 | 0.001* |
| ODI | 62.2±15.9 | – | 26.6±14.1 | 13.6±9.6 | 9.6±11.8 | 9.6±11.8 | 0.001 |
| No of patients requiring analgesics | 50 | Stopped or reduced 32 | Stopped or reduced 39 | Stopped or reduced 41 | Stopped or reduced 45 | Stopped or reduced 45 |
Values are mean±SD.
↵* Statistical significance at p<0.05.
ODI, Oswestry Disability Index; VAS, Visual Analog Scale.