Fig. 2From: The impact of remission and coexisting migraine on anxiety and depression in cluster headachea Changes in anxiety and depression scores between active cluster bouts and remission periods. b Changes in the proportion of patients with moderate-to-severe anxiety and depression between active cluster bouts and remission periods. Abbreviations: GAD-7, Generalized Anxiety Disorder (7-item scale); PHQ-9, Patient Health Questionnaire (9-item scale)Back to article page