Fig. 2From: Evaluation of full-endoscopic lumbar discectomy in the treatment of obese adolescents with lumbar disc herniation: a retrospective studyThe change of ODI during follow-up. ODI, oswestry disability index; SD, standard deviation. *Significant difference between preoperative and postoperative time in the obese group. †Significant difference between the preoperative period and period at each follow-up time in the control groupBack to article page