Anxiety and depression in Rome IV disorders of gut–brain interaction: Prevalence, clinical impact, and temporal association

Figure 3 Distribution of depression severity and anxiety severity. A: Distribution of depression severity in the study cohort. Pie chart illustrating the distribution of depression severity assessed using the Patient Health Questionnaire-9. Categories represent absent, mild, moderate, and moderately severe depression, based on the standard Patient Health Questionnaire-9 score thresholds. Values indicate the number of patients in each severity category; B: Distribution of anxiety severity in the study cohort. Pie chart illustrating the distribution of anxiety severity assessed using the Generalized Anxiety Disorder-7 scale. Categories represent absent, mild, moderate, and severe anxiety based on standard Generalized Anxiety Disorder-7 score thresholds. Values indicate the number of patients in each severity category.