Ultrasound-Guided Selective Nerve Root Block versus Fluoroscopy-Guided Interlaminar Epidural Block versus Fluoroscopy-Guided Transforaminal Epidural Block for the Treatment of Radicular Pain in the Lower Cervical Spine: A Retrospective Comparative Study

Table 2

Comparison of VNS and NDI from baseline to 1, 3, and 6 months after last injection.

		Baseline	1 month	3 months	6 months
VNS	US-SNRB	6.33 ± 1.06	2.41 ± 1.03	2.98 ± 1.97	2.57 ± 1.10
	FL-CIESI	6.22 ± 0.86	2.64 ± 1.33	2.85 ± 1.51	2.46 ± 1.58
	FL-TF	6.22 ± 0.86	2.96 ± 1.33	2.94 ± 1.70	2.46 ± 1.02
NDI	US-SNRB	24.25 ± 5.34	11.66 ± 4.87	13.25 ± 7.41	11.96 ± 3.03
	FL-CIESI	24.44 ± 4.78	12.68 ± 7.22	12.56 ± 5.63	12.13 ± 3.06
	FL-TF	24.11 ± 5.84	13.16 ± 7.12	12.64 ± 5.85	12.05 ± 4.10

Values are mean ± standard deviation. : comparison before and after the injection. Verbal Numeric Scale (VNS), Neck Disability Index (NDI), ultrasound (US), selective nerve root block (SNRB), fluoroscopy (FL), cervical interlaminar epidural steroid injection (CIESI), transforaminal (TF).