Table 2. Comparing the Mean NRS Between the Disc Involvement Levels in the Studied Patients .

	L3-5	L4-5	L4-S1	L2-4	L2-3, L4-5	L3-S1	L5-S1	L1-5	L2-3, L4-S1	P Value
Before	9.4±1.1	8.2±2.4	8.5±1.6	10.0±0	9.0±0	10.0±0	9.3±1.2	10.0±0	10.0±0	0.883
After	5.6±4.2	4.0±2.1	5.7±3.1	8.0±0	-	5.0±0	6.6±1.9	6.0±0	-	0.690