Relationships between the Spinal Dural Pulsations and the Short-Term Efficacy of Lumbar Epidural Steroid Injection

Table 1

Patient’s characteristics.

N = 71	Dural pulsation
	Presence (n = 31)	Absence (n = 40)
Age (yrs)	65.7 ± 11.0	70.7 ± 8.5
Gender (M : F)	10 : 21	17 : 23
Stenosis grade
Grade 1	21 (66.7%)	20 (50%)
Grade 2	8 (26.7%)	10 (25%)
Grade 3	2 (6.7%)	10 (25%)
Stenosis level
L23		2 (6.3)
L34	4 (13.3)	10 (25%)
L45	21 (66.7%)	23 (56.3)
L5/S1	6 (20.0)	5 (12.5%)