Comparison of unipedicular and bipedicular kyphoplasty for treating acute osteoporotic vertebral compression fractures in the lower lumbar spine: a retrospective study

Table 3 Clinical comparisons unipedicular group and bipedicular group in this study

	Unipedicular group	Bipedicular group	t	P
VAS
Preoperative	7.30 ± 1.01	7.23 ± 0.88	0.492	0.623
Postoperative	2.39 ± 0.76*	2.38 ± 0.72*	0.048	0.962
2 years Postoperative	1.75 ± 0.62*	1.68 ± 0.63*	0.773	0.441
ODI
Preoperative	70.59 ± 4.22	70.88 ± 3.66	-0.458	0.647
Postoperative	26.74 ± 2.50*	26.58 ± 2.46*	0.424	0.672
2 years Postoperative	16.77 ± 1.71*	16.72 ± 1.70*	0.190	0.850

Data are presented as the mean ± standard deviation. ODI:Oswestry disability index; VAS:visual analogue scale. * Repeated-measures analysis of variance was used for statistical analysis. There were significant differences (p < 0.05) between the postoperative or final 2 years postoperative and preoperative values in these two groups

ISSN: 1471-2474