Mean improvement in VAS and ODI with time
| Kineflex mean improvement | Charité mean improvement | Difference (Kineflex–Charité) | 95% CI | P value | |
|---|---|---|---|---|---|
| VAS score | |||||
| 3-y change | 59.05 | 68.47 | −9.41 | −27.3 to 8.5 | .17 |
| 2-y change | 56.80 | 54.43 | 2.37 | −12.5 to 17.3 | .004 |
| ODI | |||||
| 3-y change | 40.00 | 43.67 | −3.67 | −18.9 to 11.6 | .2 |
| 2-y change | 37.30 | 38.40 | −1.09 | −12.0 to 9.9 | .054 |