The prevalence of personality disorder, its comorbidity with mental state disorders, and its clinical significance in community mental health teams

Newton-Howes, Giles, Tyrer, Peter, Anagnostakis, Katina, Cooper, Sylvia, Bowden-Jones, Owen and Weaver, Tim ORCID: https://orcid.org/0000-0002-3437-3556 (2010) The prevalence of personality disorder, its comorbidity with mental state disorders, and its clinical significance in community mental health teams. Social Psychiatry and Psychiatric Epidemiology, 45 (4) . pp. 453-460. ISSN 0933-7954 [Article] (doi:10.1007/s00127-009-0084-7)

Abstract

BACKGROUND:
Personality status is seldom assessed in community mental health teams except at a rudimentary level. This study challenges the assumption that this policy is either prudent or wise.

AIMS:
To measure the prevalence of personality disorder within community mental health teams and to investigate its relationship to mental state disorders and overall pathology.

METHOD:
A cross-sectional survey of 2,528 of 2,567 psychiatric patients (98.5%) managed by community mental health teams in four urban settings in the UK in which diagnoses of personality and mental state pathology were assessed separately. Of these, a sample of 400 was interviewed, with a 70.5% completion rate for more in depth information.

RESULTS:
In total, 40% of all patients in secondary care suffered from at least one personality disorder. Regression modelling showed personality pathology accounted for a greater degree of global psychopathology than psychosis, alcohol or drug dependence, but was associated with anxiety disorders.

CONCLUSION:
Comorbid personality pathology contributes greatly to overall psychopathology in secondary psychiatric care. It should be both recognised and managed.

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