Cephalalgia : an international journal of headache
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International Classification of Headache Disorders (ICHD-2) criteria for new daily persistent headache (NDPH) require tension-type headache features. Many patients with 'new-onset persistent' headache fail to fulfil such criteria due to prominent migrainous features. ⋯ Migrainous features were common in patients with NDPH. Unlike prior studies, our study showed NDPH-M represented a more severe subgroup with a poorer outcome compared with NDPH-S.