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

Table 1 Patient demographic data

Parameter	Value
Sex ratio (M: F)	30/57
Age, mean (range), years	63.55 ± 9.99 (44–82)
Symptom duration, (mean), months	41.55 ± 68.94
Height, (mean), cm	163.67 ± 6.60
Weight, (mean), kg	65.25 ± 8.43
BMI, (mean), kg/m²	24.34 ± 2.67
Number of stenosis segments	1.38 ± 0.49
Operation time, (mean), hours	2.10 ± 1.02
Blood loss, (mean), ml	79.31 ± 39.85

ISSN: 1749-799X