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BACKGROUND: General practitioners play a pivotal part in the recognition and treatment of psychiatric disorders. Identifying somatoform disorders is important for the choice of treatment. AIMS: To quantify the prevalence of, and functional impairment associated with, somatoform disorders, and their comorbidity with anxiety/depressive disorders. METHOD: Two-stage prevalence study: a set of questionnaires was completed by 1046 consecutive patients of general practitioners (aged 25-80 years), followed by a standardised diagnostic interview (SCAN 2.1). RESULTS: The prevalence of somatoform disorders was 16.1% (95% CI 12.8-19.4). When disorders with only mild impairment were included, the prevalence increased to 21.9%. Comorbidity of somatoform disorders and anxiety/depressive disorders was 3.3 times more likely than expected by chance. In patients with comorbid disorders, physical symptoms, depressive symptoms and functional limitations were additive. CONCLUSIONS: Our findings underline the importance of a comprehensive diagnostic approach to psychiatric disorders in general practice.
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Waal et al. (2004) studied this question.
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