A systematic review and meta-regression analysis of aggression during the First Episode of Psychosis

Objective The First Episode of Psychosis (FEP) represents a period of heightened risk for aggression. However, it is not known whether this risk is significantly altered following contact with mental health services. Method Meta‐analytic methods were used to estimate pooled prevalence of ‘any’ and ‘...

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Bibliographic Details
Published in:Acta psychiatrica Scandinavica 2013-12, Vol.128 (6), p.413-421
Main Authors: Winsper, C., Ganapathy, R., Marwaha, S., Large, M., Birchwood, M., Singh, S. P.
Format: Article
Language:English
Subjects:
Aggression - physiology
Aggressiveness
any aggression
Biological and medical sciences
First Episode Psychosis
Humans
Medical sciences
Mental disorders
Mental Health Services
Meta-analysis
pooled prevalence
Prevalence
Psychiatry
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Psychotic Disorders - diagnosis
Psychotic Disorders - epidemiology
Psychotic Disorders - physiopathology
serious aggression
Systematic review
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Summary:Objective The First Episode of Psychosis (FEP) represents a period of heightened risk for aggression. However, it is not known whether this risk is significantly altered following contact with mental health services. Method Meta‐analytic methods were used to estimate pooled prevalence of ‘any’ and ‘serious’ aggression during FEP, while meta‐regression analyses were conducted to explore reasons for heterogeneity between studies. Results Fifteen studies comprising 3, 294 FEP subjects were analysed. Pooled prevalence of ‘any aggression’ before service contact was 28% (95% CI: 22–34) and following contact 31% (95% CI: 20–42). Pooled prevalence of ‘serious aggression’ was 16% (95% CI: 11–20) before service contact and 13% (95% CI: 6–20) following contact. Four studies reporting repeated assessments within the same cohort revealed that aggression rates did not significantly differ post and pre service contact: Odds Ratios for any aggression: 1.18 (95% CI: 0.46–2.99) and serious aggression: 0.61 (95% CI: 0.31–1.21). Conclusion Rates of aggression are high during FEP, both before and following initial service contact, and seem not to alter following contact. This conclusion remains tentative due to considerable heterogeneity between studies and a lack of prospective cohort studies.
ISSN:0001-690X
1600-0447
DOI:10.1111/acps.12113