Research Article

Efficacy of Chuanxiong Ding Tong Herbal Formula Granule in the Treatment and Prophylactic of Migraine Patients: A Randomized, Double-Blind, Multicenter, Placebo-Controlled Trial

Table 2

Changes in VAS scores and pain intensity. (PPS, ).

VariableGroup4 w8 w12 wFollow-up period

CXDT-HFG group ( )4.96 ± 2.014.02 ± 2.332.39 ± 2.411.66 ± 2.15
VAS scores§Placebo group ( )4.90 ± 2.094.12 ± 2.413.21 ± 2.452.92 ± 2.51
values0.8930.6790.0600.005

CXDT-HFG group ( )
 No pain, (%)7 (8.14%)15 (17.44%)37 (43.02%)49 (56.98%)
 Mild, (%)15 (17.44%)24 (27.91%)27 (31.40%)23 (26.74%)
 Moderate, (%)57 (66.28%)43 (50.00%)21 (24.42%)13 (15.12%)
 Severe, (%)7 (8.14%)4 (4.65%)1 (1.16%)1 (1.16%)
Pain intensity#Placebo group ( )
 No pain, (%)4 (9.52%)8 (19.05%)12 (28.57%)16 (38.10%)
 Mild, (%)9 (21.43%)13 (30.95%)11 (26.19%)10 (23.81%)
 Moderate, (%)25 (59.52%)19 (45.24%)19 (45.24%)16 (38.10%)
 Severe, (%)4 (9.52%)2 (4.76%)0 (0.00%)0 (0.00%)
values0.6840.6730.0370.013

W: weeks. Significant difference, . Data presented as mean ± SD, number (percentage).
for comparison with control group.
# values based on Chi-square test.
§ values based on repeated measures.
. Statistical differences for comparison between groups.