Pain levels
| Mean VAS at rest (range 0–10) | Mean VAS after walking on awakening (range 0–10) | Mean VAS after normal daily activity (range 0–10) | ||
|---|---|---|---|---|
| Results are shown as mean (SD). | ||||
| Basal | 8.1 (1.5) | 8.1 (1.4) | 8.3 (1.2) | |
| End of the treatment | 5.9 (1.2) | 6.7 (1.6) | 5.6 (1.8) | |
| After 3 months | 4.3 (1.6) | 6.1 (1.3) | 4.1 (1.8) | |
| After 6 months | 4.1 (1.5) | 3.9 (1.6) | 3.6 (1.7) | |