3.2.2. Headache frequency.
Headache, headache
According to the criteria for inclusion, the headache frequency of subject was from 5 to 9 per month. The frequency and trend of headache are shown in Table Headache frequency changes.Table 4 present the Mean and standard deviation of headache frequency at baseline, after the first round of treatment (week 4) and the second round of treatment (week 8) and 4 wk follow-up observation (week 12) (This figure visually shows the change trend of headache frequency with over time. The change of headache frequency in group A from baseline to week 4 and the change of group B from week 4 to week 8 were significant. On the contrary, the change of group A from week 4 to week 8 and the change of group B from baseline to week 8 were not obvious. It indicates that the headache frequency of both groups was significantly reduced after the CST in 2 groups while not obvious after CLST. CLST = complementary light-touch sham treatments. CST = Craniosacral therapy.