From: The efficacy of ultrasound-guided multifidus cervicis plane block versus greater occipital nerve block for cervicogenic headache
GONB group
MCPB group
P value
Baseline frequency (no./week)
6.7 (5.2)
5.5 (4.3)
0.216
2-week visit frequency (no./week)
2.12 (2.30)
2.15 (2.16)
0.843
4-week visit frequency (no./week)
2.36 (2.40)
2.04 (2.09)
0.193