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

Table 3 Comparative analysis of general patient data among three groups

	Group 1	Group 2	Group 3	t/X²	P
Number	14	21	52
Age (years)	65.50 ± 9.22	65.81 ± 11.29	62.11 ± 9.55	1.352	0.264
Sex ratio (M: F)	6:8	8:13	16:36	0.873	0.646
Symptom duration (months)	44.21 ± 44.80	47.33 ± 78.95	38.50 ± 70.95	0.132	0.876
Height (cm)	164.28 ± 5.94	165.19 ± 5.07	162.88 ± 7.26	0.985	0.378
Weight (kg)	65.21 ± 7.85	66.02 ± 8.18	64.94 ± 8.80	0.121	0.886
BMI (kg/m²)	24.10 ± 2.13	24.19 ± 2.81	24.47 ± 2.79	0.151	0.860
Number of stenosis segments	1.86 ± 0.36	1.62 ± 0.50	1.15 ± 0.36^#	22.028	0.000

^#Indicates that the difference between Group 3 and Group 2, Group 3 and group 1 is statistically significant
BMI, Body mass index

ISSN: 1749-799X