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**