Table 2. Values of the numeric raring scale score (NRS), McGill Pain Questionnaire and Oswestry Disability Index (ODI) before and 1 month after epidural steroid injection treatment in patients with low back pain.

	Baseline	1 month	P value
Nociceptive (n = 54)
NRS	7.5 ± 0.5	3.9 ± 2.6	0.000
McGill
Sensory	16.7 ± 6.0	16.8 ± 6.2	0.383
Affective	5.0 ± 2.3	4.8 ± 2.1	0.159
ODI	57.7 ± 4.9	58.4 ± 5.7	0.152
Neuropathic (n = 60)
NRS	7.5 ± 0.8	4.2 ± 1.8	0.000
McGill
Sensory	14.8 ± 5.6	14.7 ± 5.6	0.339
Affective	5.2 ± 1.7	4.9 ± 1.4	0.306
ODI	54.0 ± 5.0	55.0 ± 3.8	0.152