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

Table 2 Comparative analysis of pre- and post-operative data in 87 patients

	Preoperative	Postoperative	Paired t value	P
Number	87	87
DH (cm)	1.02 ± 0.23	1.52 ± 0.23	19.933	0.000
LLA (°)	44.23 ± 13.36	44.03 ± 12.48	0.191	0.849
CSA (cm²)	0.60 ± 0.26	0.98 ± 0.40	11.271	0.000
low back pain VAS (score)	4.85 ± 0.96	3.16 ± 0.82	20.148	0.000
leg pain VAS (score)	4.43 ± 0.95	3.02 ± 0.90	12.044	0.000
ODI (%)	50.69 ± 5.55	41.36 ± 6.13	25.589	0.000

DH, Disc height; LLA, Lumbar lordotic angle; CSA, cross-sectional area; VAS, visual analogue scale; ODI, Oswestry disability index

ISSN: 1749-799X