TABLE 2:

Comparison of symptom duration, AVS score, and pain relief in terms of cause of the radiculalgia

Measure	All Patients	Patients with Degenerative Stenosis	Patients with a Herniated Disk
No. of patients	30	16	14
Mean symptom duration, mo	2.7	2.7	2.6
Mean AVS score before the procedure	6.5	6.7	6.2
Pain relief, no. of patients (%)
Excellent	11 (37)	5 (31)	6 (43)
Good	7 (23)	3 (19)	4 (29)
Fair	2 (6)	2 (12)	0 (0)
Poor	10 (34)	6 (37)	4 (29)