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Systematic Review of the Incidence and Prevalence of Schizophrenia and Other Psychoses in England, 1950-2009
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2012
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Psychotic DepressionPsychiatric EvaluationPsychiatric DisordersOther PsychosesPsychotic DisordersMental HealthPsychologySocial SciencesMental DisordersClinical PsychologyDetailed BreakdownSystematic ReviewPsychiatric DiseasePsychiatryDepressionClinical PsychiatryPsychiatric DisorderPsychosisEpidemiologyPsychotic DisorderSchizophreniaMood DisordersMedicinePsychopathologyBipolar Disorder
The Department of Health commissioned this series of systematic reviews on the incidence and prevalence of schizophrenia and other psychotic disorders in England. Incidencei is the number of people who develop an illness for the first time, per year, in a given place; prevalence is the proportion of a defined community who already have or develop an illness at a particular time or during a specified period. Psychotic disorders are a group of mental illnesses characterised by delusions, hallucinations and other problems of thought and emotion. Schizophrenia is a particular type of psychotic disorder, as are affective psychoses that can include psychotic depression and bipolar disorder. In this summary we concentrate on all psychoses as a broad group, and on schizophrenia and affective psychoses as two main sub‐types of psychotic disorders; the full report contains a more detailed breakdown.