Table 2.

Grading of central stenosis and lateral stenosis in lateral stenosis(+) and lateral stenosis(−) groups.

		Lateral stenosis		p
		Yes	No
Central stenosis (L4/5 spinal canal)		22	38
Schiza				0.0012
A		12	4
B		5	8
C		3	18
D		2	8
Lee				0.0045
0		9	4
1		5	4
2		3	4
3		5	26
Lateral stenosis
L5 lateral recess				<0.0001
0		3	14
1		1	12
2		3	12
3		15	0
L5/S1 foraminal stenosis				0.0027
0		11	25
1		1	5
2		3	8
3		7	0