Lifetime and point prevalence of psychotic symptoms in adults with bipolar disorders: a systematic review and meta-analysis

AMINOFF, S.R., ONYEKA, I.N., ØDEGAARD, M., SIMONSEN, C., LAGERBERG, T.V., ANDREASSEN, O.A., ROMM, K.L. and MELLE, I. (2022). Lifetime and point prevalence of psychotic symptoms in adults with bipolar disorders: a systematic review and meta-analysis. Psychological Medicine.

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Official URL: https://www.cambridge.org/core/journals/psychologi...
Open Access URL: https://www.cambridge.org/core/services/aop-cambri... (Published version)
Link to published version:: https://doi.org/10.1017/s003329172200201x
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    Abstract

    Psychotic symptoms, that we defined as delusions or hallucinations, are common in bipolar disorders (BD). This systematic review and meta-analysis aims to synthesise the literature on both lifetime and point prevalence rates of psychotic symptoms across different BD subtypes, including both BD type I (BDI) and BD type II (BDII). We performed a systematic search of Medline, PsycINFO, Embase and Cochrane Library until 5 August 2021. Fifty-four studies (N = 23 461) of adults with BD met the predefined inclusion criteria for evaluating lifetime prevalence, and 24 studies (N = 6480) for evaluating point prevalence. Quality assessment and assessment of publication bias were performed. Prevalence rates were calculated using random effects meta-analysis, here expressed as percentages with a 95% confidence interval (CI). In studies of at least moderate quality, the pooled lifetime prevalence of psychotic symptoms in BDI was 63% (95% CI 57.5–68) and 22% (95% CI 14–33) in BDII. For BDI inpatients, the pooled lifetime prevalence was 71% (95% CI 61–79). There were no studies of community samples or inpatient BDII. The pooled point prevalence of psychotic symptoms in BDI was 54% (95 CI 41–67). The point prevalence was 57% (95% CI 47–66) in manic episodes and 13% (95% CI 7–23.5) in depressive episodes. There were not enough studies in BDII, BDI depression, mixed episodes and outpatient BDI. The pooled prevalence of psychotic symptoms in BDI may be higher than previously reported. More studies are needed for depressive and mixed episodes and community samples. Prospero registration number: CRD 42017052706.

    Item Type: Article
    Uncontrolled Keywords: 1109 Neurosciences; 1117 Public Health and Health Services; 1701 Psychology; Psychiatry
    Identification Number: https://doi.org/10.1017/s003329172200201x
    SWORD Depositor: Symplectic Elements
    Depositing User: Symplectic Elements
    Date Deposited: 31 Aug 2022 11:15
    Last Modified: 31 Aug 2022 11:15
    URI: http://shura.shu.ac.uk/id/eprint/30650

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