From: Outcome of transforaminal epidural steroid injection for lumbar radiculopathy: initial three-year experience at Upendra Devkota Memorial-National Institute of Neurological and Allied Sciences, Nepal
Root blocked
Improvement by > 50% at 3 months
Total
Fisher’s exact test
No
Yes
L5
5
19
24
p value = 0.241
S1
3
4
7
8
23
31