Authors: Hartvig, Pål¹; Alfarnes, Svein¹; Østberg, Bjørn¹; Skjønberg, Mona¹; Moger, Tron²

Source: Nordic Journal of Psychiatry, Volume 60, Number 3, May 2006 , pp. 243-248(6)

Publisher: Informa Healthcare

Abstract:

Violence risk assessment instruments are increasingly being used. Their use has, however, mostly been confined to forensic psychiatry for assessing the risk among perpetrators to repeat violent acts. In general psychiatry, very few studies of violence risk among discharged persons from acute inpatient units have been conducted. The available instruments are extensive and time consuming. This study aimed at the construction of a brief checklist. A 33-item scale, the PS (Preliminary Scheme), strongly influenced by the established HCR-20 (Historical, Clinical and Risk Management Assessment Scheme) was developed to undergo logistic regression analysis and possible item reduction. One hundred and ten patients from an acute inpatient unit, scored with PS at discharge, were monitored for violent episodes throughout the following year. Risk assessments and violence registrations were then compared. Of the 110 patients, 29 (26%) had acted violently during the follow-up, with the PS showing a definite association with post-discharge violence. Receiver operating characteristics (ROC) for the instrument yielded an area under the curve (AUC) of 0.71 ( P

Keywords: Acute psychiatry; Brief checklist; Violence prediction

Document Type: Research article

DOI: http://dx.doi.org/10.1080/08039480600780532

Affiliations: 1: Centre for Research and Education in Forensic Psychiatry, Ullevaal University Hospital, Bygg 7, Gaustad, NO-0320, Oslo, Norway 2: Section for Medical Statistics, P O Box 1122, Blindern, NO- 0317, Oslo, Norway

Publication date: 2006-05-01

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