Table 2. Pain scores, functional disability, and injection pain.

Variables	Group D (n = 24)	Group L (n = 26)	P value
VAS of back pain at baseline (0–100)	42.92 ± 21.96	46.92 ± 26.95	0.569
VAS of back pain at 4 wk after procedure (0–100)	32.08 ± 23.22	32.31 ± 24.05	0.973
VAS of radicular pain at baseline (0–100)	42.08 ± 31.48	52.69 ± 26.62	0.307
VAS of radicular pain at 4 wk after procedure (0–100)	30.83 ± 23.79	40.77 ± 27.41	0.226
RMDQ at baseline (0–24)	7.67 ± 4.82	9.92 ± 4.86	0.107
RMDQ at 4 wk after procedure (0–24)	6.17 ± 4.47	7.69 ± 4.88	0.256
VAS of injection pain (0–100)	36.25 ± 19.52	42.30 ± 23.38	0.382

Data are expressed as the mean ± standard deviation.

VAS = visual analog scale, RMDQ = Roland-Morris Disability Questionnaire.