From: Minimally invasive surgical management of symptomatic lumbar disc herniation: can the endoscope replace the microscope?
MD
ED
p*
Mean
± SD
Pre VAS-B
6.35
1.14
8.6
1.16
0.0001
VAS-B 1 month Post
2.45
0.51
1.85
1.2
0.204
VAS-B 6 months Post
1.65
0.49
1.7
1.38
0.87
VAS-B 12 months Post
1.20
0.52
1.8
1.32
0.066