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Table 2 Surgical outcomes assessed by clinical scores

From: Improving effect of microendoscopic decompression surgery on low back pain in patients with lumbar spinal stenosis and predictive factors of postoperative residual low back pain: a single-center retrospective study

 

Before surgery

1 Year after surgery

P-value

JOA score

14.1 ± 4.3

20.2 ± 5.0

< 0.001

VAS

 Low back pain

66.7 ± 15.9

29.7 ± 28.8

< 0.001

 Leg pain

63.8 ± 22.0

31.2 ± 31.4

< 0.001

 Leg numbness

63.3 ± 26.6

34.2 ± 33.4

< 0.001

  1. Values are presented as means and standard deviations
  2. JOA Japanese Orthopaedic Association, VAS Visual analog scale