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Clinical questionnaire data
| Preoperative | 1 week | 6 months | p value | |
|---|---|---|---|---|
| VAS back | 88 (12) | 51 (10) | 37 (20) | <0.001a |
| VAS legs | 67 (26) | 38 (18) | 32 (23) | 0.006a |
| ODI | 82 (13) | 57 (11) | 49 (19) | <0.001a |
Results are presented as the mean (standard deviation)
VAS Visual Analog Scale for pain (in millimeters), ODI Oswestry Disability Index
aStatistically significant
