The American Psychiatric Association Practice Guideline for the Treatment of Patients with Schizophrenia 3rd Edition

Worldwide, schizophrenia is one of the top 20 causes of disability. The lifetime prevalence of schizophrenia is estimated to be approximately 0.7%, although findings vary depending on the study location, demographic characteristics of the sample, the approach adopted for case finding, the method employed for diagnostic confirmation, and the diagnostic criteria used.