Treated Incidence of Psychotic Disorders in the Multinational EU-GEI Study

09 Feb 2018

The WHO Ten Country Study1, the most recent multi-centre international study of the incidence of psychotic disorders, was widely interpreted as demonstrating worldwide homogeneity in rates of schizophrenia and other psychotic disorders. In fact, there was a 2.5-fold variation in broadly-defined non-affective psychoses.