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Table 3 Clinical outcomes before and after endoscopic decompression at different follow-up time points

From: Percutaneous transforaminal endoscopic decompression with removal of the posterosuperior region underneath the slipping vertebral body for lumbar spinal stenosis with degenerative lumbar spondylolisthesis: a retrospective study

Time Point

Pre-Op.

3-Mons

6-Mons

12-Mons

VAS of leg pain

7.7 ± 1.1

3.0 ± 1.1**

2.2 ± 0.6**

1.6 ± 0.7**

VAS of back pain

5.8 ± 1.0

2.3 ± 0.9**

1.8 ± 0.8**

1.4 ± 0.8**

ODI (%)

68.3 ± 10.8

28.1 ± 6.3**

23.3 ± 5.4**

18.8 ± 5.0**

  1. Note: **P < 0.01 versus Pre-Op.