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Article   |    
Can Prediction of Violence Among Psychiatric Inpatients Be Improved?
Svein Blomhoff; Sjur Seim; Svein Friis
Psychiatric Services 1990; doi:
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The authors thank Torbjorn Moum, Ph.D., for statistical consultation; Marie Hulleberg for language consultation; Bjorn Gunby, M.D., medical director of department 8 of Dikemark Mental Hospital, for advice and support; and Knut Sponberg of Dikemark Mental Hospital for technical assistance.

An Outpatient Clinic at Dikemark Mental Hospital

Department 4 of Dikemark Mental Hospital in Oslo, Norway

Psychiatric Department B at Oslo University Hospital in Oslo

1990 by the American Psychiatric Association

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In an effort to improve the prediction of violence among psychiatric inpatients, the authors retrospectively studied 25 patients who were violent and 34 who were not violent after admission to a psychiatric emergency ward in Norway. The only demographic variable that discriminated between the two groups was violence in the family of origin; the violent group had experienced significantly more. The best single predictor of violence was a history of previous violence by the patient, which correctly classified 80 percent of the patients. The combined information about patients' level of aggression rated at referral and level of anxiety rated at admission correctly classified 78 percent. In a subgrouping of violent patients who inflicted injuries and did not inflict injuries, a higher percentage of the injury-inflicting patients were found to have a diagnosis of schizophrenia. These patients also had a higher level of aggression at referral.

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inpatient ; violence
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