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The prevalence of substance-induced psychotic disorder in methamphetamine misusers: A meta-analysis
Tania Lecomte1, Alexandre Dumais2, Jules R Dugré3
1Centre de recherche de l'Institut Universitaire en Santé Mentale de Montréal, Montreal, Canada; Department of Psychology, University of Montreal, Montreal, Canada.
Abstract:
There is little consensus regarding the prevalence of methamphetamine-induced psychotic disorder (MIPD). A search of the literature was performed, effect size estimates were calculated with event rates and were aggregated with a random-effects model. Seventeen studies were included in the meta-analysis, resulting in a composite event rate of 36.5%. The event rate of MIPD was significantly higher when the period of assessment was lifetime (42.7%) and when only individuals with methamphetamine use disorders (MUD) (43.3%) were included. The prevalence of MIPD in the reviewed studies is elevated. These results highlight the need for detection and prevention strategies, and population studies.
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