From: Posterior lumbar interbody fusion using single PEEK cage without pedicle screw fixation for lumbar disc herniation; Initial experience in Menoufia University Hospital
Mean pre-op
Mean post-op
p value
Leg pain (VAS)
7.35 ± 0.80
2.44 ± 0.58
p < 0.001
Low Back pain (VAS)
7.25 ± 0.56
2.77 ± 0.71
ODI
67.50/100 ± 9.5
10.50/100 ± 4