Ultrasound-Guided versus Fluoroscopy-Guided Deep Cervical Plexus Block for the Treatment of Cervicogenic Headache

Table 1

General characteristics of the patients.

	US	FL	P
Age	49.2 ± 10.3	47.6 ± 9.7	0.419
Gender			0.747
Male	7	5
Female	21	21
Duration (mos)	9.35 ± 3.68	10.06 ± 3.47	0.725
Pain side			0.781
Left	10	11
Right	18	15
Number of injections			0.785
1	16	13
2	12	13
Injection position			0.530
C2	20	21
C3	8	5