The impact of sagittal balance on clinical results after posterior interbody fusion for patients with degenerative spondylolisthesis: A Pilot study

Table 3 Comparison of clinical outcomes in the two study groups based on changes in pelvic tilt after spinal fusion.

Group	VAS		Improvement rate of VAS	ODI		Improvement rate of ODI
	Preoperative	Last FU		Preoperative	Last FU
A (n = 10)	6.85 ± 2.53	3.20 ± 2.35	53.3%^†	43.2 ± 19.0	23.6 ± 13.4	45.4%^†
B (n = 8)	6.81 ± 1.81	1.63 ± 0.52	76.1%^†	50.4 ± 20.8	18.9 ± 13.8	61.7%^†
P value*	ns	< 0.05	< 0.05	ns	< 0.05	< 0.05

* Statistical significance of value between group A and B was determined using Mann-Whitney U test.
† p < 0.05; Statistical significance of value between preoperative and last follow up was determined using Wilcoxon's signed rank test.
Values are presented as means ± standard deviations

ISSN: 1471-2474