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Evaluation parameters were collected preoperatively and postoperatively.
| ODI score | SF-36 score (P) | SF-36 score (M) | VAS score | EQ-5D | |
| Preoperative | 43 | 48 | 47 | 7 | 10 |
| Postoperative | 14 | 49 | 41 | 1 | 15 |
EQ-5D = EuroQol five dimensions questionnaire, ODI = Oswestry Disability Index, SF-36 score (M) = the 36-Item Short Form Health Survey (SF-36) Mental Component Summary, SF-36 score (P) = the 36-Item Short Form Health Survey (SF-36) Physical Component Summary, VAS = Visual Analogue Scale.
