Figure 1

The severities of depression, anxiety, and somatic symptoms among patients with different diagnoses or comorbidities. Group I = a current major depressive episode (MDE) comorbid with migraine; Group II = a current MDE without migraine; Group III = migraine without a current MDE; Group IV = neither a current MDE nor migraine. HAMD Hamilton Depression Rating Scale, DS depression subscale of the Depression and Somatic Symptoms Scale (DSSS), SS somatic subscale of the DSSS, HADS-D depression subscale of the Hospital Anxiety and Depression Scale (HADS), HADS-A anxiety subscale of the HADS. Significance (p < 0.05): Group I vs. II: DS and SS; Group I vs. III: All five subscales; Group I vs. IV: All five subscales; Group II vs. III: HAMD, DS, and HADS-D; Group II vs. IV: All five subscales except for SS; Group III vs. IV: none.