Skip to main content

Table 1 Comparison of patient characteristics according to pre-existing L5-S1 degeneration

From: Does pre-existing L5-S1 degeneration affect outcomes after isolated L4-5 fusion for spondylolisthesis?

  Pre-existing deg Non-existing deg p value
No 22 35  
M/F 6/13 16/23 0.49
Age 58.5 ± 6.7 54.1 ± 8.3 0.11
VAS pre back 6.3 ± 2.9 6.3 ± 2.4 0.78
VAS pre leg 7.0 ± 2.4 7.1 ± 1.9 0.81
ODI pre 56.0 ± 15.3 55.2 ± 18.0 0.87
VAS post back 3.6 ± 2.7 3.1 ± 2.4 0.51
VAS post leg 2.8 ± 2.7 2.9 ± 2.7 0.94
ODI post 23.0 ± 20.9 19.5 ± 13.3 0.34
Satisfaction rate 78.8 ± 16.7 79.2 ± 14.7 0.98
DH pre 9.5 ± 2.6 10.7 ± 2.6 0.1
DH post 9.3 ± 2.6 10.7 ± 2.7 0.08
PI 53.8 ± 9.7 55.3 ± 10.0 0.59
PT 20.9 ± 7.8 21.0 ± 8.4 0.97
SS 30.6 ± 9.0 33.9 ± 8.1 0.18
L5-S1 seg angle pre 16.4 ± 7.3 15.6 ± 6.6 0.65
  1. M/F: male/female, VAS: Visual Analog Score, pre: preoperative, post: postoperative, ODI: Oswestry Disability Index, DH: disc herniation, PI: pelvic incidence, PT: pelvic tilt, SS: sacral slope, seg: segmental; p < 0.05 is statistically significant (data in italics).