Efficacy and Safety of Chuanxiong Qingnao Granule in Patients with Migraine: A Randomized, Double-Blind, Placebo-Controlled Trial

Table 4

Efficacy measurements of participants at week 24.

Characteristic	Treatment (n = 172)	Control (n = 174)	value
Percentage of patients with ≥50% reduction in frequency of headache, n (%)	143 (83.1)	6 (3.4)	<0.001
Frequency of headache attack, mean (SD)	2.16 ± 1.09	5.68 ± 1.10	<0.001
Days of headache attack, mean (SD)	3.31 ± 1.40	7.05 ± 1.05	<0.001
VAS, mean (SD)	3.12 ± 1.57	6.37 ± 1.48	<0.001
FSS, mean (SD)	15.98 ± 7.18	30.77 ± 7.92	<0.001
HAMD, mean (SD)	10.85 ± 4.46	19.84 ± 6.89	<0.001
MIDAS, mean (SD)	8.40 ± 3.32	19.13 ± 4.97	<0.001