Fig. 2From: Clinical efficacy of transforaminal endoscopic discectomy in the treatment of recurrent lumbar disc herniation: a single-center retrospective analysisAlterations of the VAS scores and JOA scores. A VAS scores after revision operation were significantly decreased when compared to the value before the 2nd surgery. B JOA scores improved significantly at the first follow-up time point after revision surgery, and the improvements remained stable to the final follow upBack to article page