Fig. 3From: Status of diagnosis and preventative treatment for primary headache disorders: real-world data of unmet needs in ChinaPercentage of previous diagnoses of primary headache disorders and MOH. The cumulative percentage was over 100% due to a patient’s multiple previous diagnoses. TTH, tension-type headache; TACs: trigeminal autonomic cephalalgias; CH, cluster headache; MOH: medication overuse headacheBack to article page