Clinical significance of redundant nerve roots in patients with lumbar spinal stenosis undergoing oblique lumbar interbody fusion combined with percutaneous internal fixation

Table 7 Comparative analysis of pre- and post-operative efficacy in Group 3 patients

	Preoperative	Postoperative	Paired t value	P
Number	52	52
low back pain VAS (score)	4.48 ± 0.75	2.98 ± 0.83	13.874	0.000
leg pain VAS (score)	4.00 ± 0.56	2.98 ± 0.83	8.875	0.000
ODI (%)	47.27 ± 3.34	37.62 ± 3.50	49.281	0.000

ISSN: 1749-799X