Preoperative | Postoperative | Most recent follow-upa | |||||
---|---|---|---|---|---|---|---|
Value (mean ± SD) | Value (mean ± SD) | Change | p value | Value (mean ± SD) | Change | p value | |
ODI | 32.2 ± 6.1 | 29.2 ± 4.7 | − 3.0 ± 5.0 | < 0.001 | 19.0 ± 6.0 | − 13.1 ± 7.1 | < 0.001 |
Back pain (VAS) | 4.9 ± 1.6 | 3.5 ± 1.3 | − 1.4 ± 2.2 | < 0.001 | 2.5 ± 1.4 | − 2.4 ± 1.7 | < 0.001 |
Leg pain (VAS) | 2.7 ± 1.7 | 1.9 ± 1.2 | − 0.9 ± 1.5 | < 0.001 | 1.2 ± 1.3 | − 1.6 ± 1.6 | < 0.001 |