From: Age-related radiographic parameters difference between the degenerative lumbar spinal stenosis patients and healthy people and correlation analysis
The DLSS group
The control group
P
Mild
Moderate
Severe
L1-2
34
58
1
80
7
0
< 0.001*
L2-3
17
75
77
10
L3-4
35
18
64
5
L4-5
12
81
15
8
L5-S1
13
66
14
56
24