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What is prevalence?

Prevalence measures the proportion of individuals who have a disorder at a particular point in time (point prevalence) or during a specified period (annual prevalence, lifetime prevalence) and this may vary across regions. It is distinct from incidence, which refers to how many new cases there are per population in a specified time period. Lifetime prevalence is the number of individuals in a population that at some point in their life have experienced schizophrenia compared to the total number of individuals.

What is the evidence for prevalence rates in migrant populations?

Moderate quality evidence found increased prevalence of schizophrenia in migrant populations  compared to native-born populations.

August 2020

Last updated at: 11:26 pm, 24th August 2020
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Fact Sheet Technical Commentary

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Title Colour Legend:
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Orange - Topic summary is being compiled.
Red - Topic summary has no current systematic review available.