From: The impact of sagittal balance on clinical results after posterior interbody fusion for patients with degenerative spondylolisthesis: A Pilot study
Characteristic
Case
Group A (n = 10)
Group B (n = 8)
Sex (M:F)
3:7
5:3
Mean age in yrs (range)
61.0 (48-72)
60.5 (48-69)
Spinal level
L3-4
1
L4-5
7
5
L3-4-5
2
L4-5-S1
0