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Fig. 3 | BMC Musculoskeletal Disorders

Fig. 3

From: Characteristics of relief and residual low back pain after discectomy in patients with lumbar disc herniation: analysis using a detailed visual analog scale

Fig. 3

a Changes in LBP during motion and surgical procedures. b Changes in LBP while sitting and surgical procedures. C: conventional discectomy, T: microscopic discectomy using a tubular retractor, B: bilateral laminectomy and discectomy. LBP both during motion and while sitting before surgery were significantly greater in group T (*one factor ANOVA, F = 3.246, p = 0.046), and the residual LBP at 3 months after surgery was significantly greater in group T (†one factor ANOVA, F = 7.519, p = 0.001). However, LBP was improved with all 3 surgical procedures and LBP became equally level at 1 year after surgery (one factor ANOVA, F = 0.263, p = 0.770)

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