Comparison of Endoscope-Assisted and Microscope-Assisted Tubular Surgery for Lumbar Laminectomies and Discectomies: Minimum 2-Year Follow-Up Results

Figure 3

Curves of the mean scores on Visual Analog Scale (VAS) for low-back pain in laminectomy groups (a), VAS for low-back pain in discectomy groups (b), VAS for leg pain in laminectomy groups (c), VAS for leg pain in discectomy groups (d). Scores range from 0 to 10, with higher scores indicating more intense pain. VAS showed postoperative improvement in 4 graphs with a significant difference (P<0.01). The curves for the mean scores on the VAS did not differ significantly over the follow-up period of 2 years between groups.

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