Fig. 1From: Psychiatric disorders and headache familial recurrence: a study on 200 children and their parentsHeadache type in child × psychiatric disorders in parents. Percentage count for observed frequencies in headache type in child × psychiatric disorders in parents interaction. Partial χ2 = 7.807; df = 1; P < 0.01. Percentages are calculated separately for migraine and oHs groupsBack to article page