Causes of lower extremity weaknesses after posterior lumbar spine fusion surgery and therapeutic effects of active surgical exploration

Table 1 Patients’ data

Variable	Mean ± SD or number
Patients	30
Males/females	12 (40%)/18 (60%)
Age	62.9 ± 12.7
Diagnosis
Lumbar disc herniation	6
Stenosis	4
Lumbar disc herniation and stenosis	11
Scoliosis	7
Spondylolisthesis	2
Fusion segments
2 segments	7
3 segments	11
4 segments	4
5 segments	1
> 5 segments	7

ISSN: 1749-799X