Fig. 1From: An observational study of fixed-dose Tanacetum parthenium nutraceutical preparation for prophylaxis of pediatric headacheResults for frequency of attacks (a) and Intensity of pain (b) at baseline and at the post-baseline time points by subgroup of diagnosis (values are means). Migraine with (MO) or without aura (MA), tension-type headache (TTH). Bars are standard deviations. *p < 0.05Back to article page