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
Cause of radiculopathy
Improvement in NPRS by more than 50% at 3 months
Total
Fisher’s exact test
No
Yes
PIVD
5
14
19
p value, 0.688
Bony recess narrowing
2
6
8
7
20
27