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Psychotic disorders have received less attention, although this comorbidity is expected to have a significant impact on the course, consequences, and treatment of PBG. This review aimed to estimate the prevalence of psychotic disorders in PBG.<\/jats:p>\n\t  <\/jats:sec>\n\t  <jats:sec id=\"S0924933824017772_sec2\" sec-type=\"methods\">\n\t    <jats:title>Methods<\/jats:title>\n\t    <jats:p>Medline (Ovid), EMBASE, PsycINFO (Ovid), CINAHL, CENTRAL, Web of Science, and ProQuest were searched on November 1, 2023, without language restrictions. Studies involving people with PBG and reporting the prevalence of schizophrenia spectrum and other psychotic disorders were included. Risk of bias was assessed using the Joanna Briggs Institute critical appraisal checklist for systematic reviews of prevalence data. The pooled prevalence of psychotic disorders was calculated using a random effects generalized linear mixed model and presented with forest plots.<\/jats:p>\n\t  <\/jats:sec>\n\t  <jats:sec id=\"S0924933824017772_sec3\" sec-type=\"results\">\n\t    <jats:title>Results<\/jats:title>\n\t    <jats:p>Of 1,271 records screened, 22 studies (<jats:italic>n<\/jats:italic>\u00a0=\u00a019,131) were included. The overall prevalence of psychotic disorders was 4.9% (95% CI, 3.6\u20136.5%, <jats:italic>I<\/jats:italic><jats:sup>2<\/jats:sup>\u00a0=\u00a088%). A lower prevalence was found in surveyed\/recruited populations, compared with treatment-seeking individuals and register-based studies. No differences were found for factors such as treatment setting (inpatient\/outpatient), diagnoses of psychotic disorders (schizophrenia only\/other psychotic disorders), and assessment time frame (current\/lifetime). The majority of included studies had a moderate risk of bias.<\/jats:p>\n\t  <\/jats:sec>\n\t  <jats:sec id=\"S0924933824017772_sec4\" sec-type=\"conclusions\">\n\t    <jats:title>Conclusions<\/jats:title>\n\t    <jats:p>These findings highlight the relevance of screening problem gamblers for schizophrenia spectrum and other psychotic disorders, as well as any other comorbid mental health conditions, given the significant impact such comorbidities can have on the recovery process.<\/jats:p>\n\t  <\/jats:sec>","DOI":"10.1192\/j.eurpsy.2024.1777","type":"journal-article","created":{"date-parts":[[2024,9,25]],"date-time":"2024-09-25T11:04:41Z","timestamp":1727262281000},"source":"Crossref","is-referenced-by-count":4,"title":["Prevalence of schizophrenia spectrum and other psychotic disorders in problem gambling: A systematic review and 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