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ORIGINAL ARTICLE
Year : 2022  |  Volume : 27  |  Issue : 1  |  Page : 51

Validity and reliability of the Persian version of Violence Risk Screening-10 Instrument (V-Risk-10) in admitted patients to the psychiatric ward


1 Department of Community Medicine, Faculty of Medicine, Mashhad Medical Sciences, Islamic Azad University, Mashhad, Iran
2 Department of Psychiatry, University of Pennsylvania, Philadelphia, Pennsylvania, USA
3 Department of Medical School, Mashhad Branch, Islamic Azad University, Mashhad, Iran

Correspondence Address:
Dr. Elham Masoudi
Department of Medical School, Mashhad Branch, Islamic Azad University, Mashhad
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jrms.JRMS_359_19

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Background: Violence Risk Screening Tool-10 (V-Risk-10) is one of the few instruments available for violence risk assessment in patients with a psychiatric diagnosis. The present study aimed to validate the Persian version of this instrument in patients admitted to the psychiatric ward. Materials and Methods: Eighty patients referred to a psychiatric hospital were enrolled in this cross-sectional methodological study. In the initial phase, seven senior psychiatry residents rated 20 cases independently at the time of their admission and total scale and subscale reliability were examined. Intraclass correlation coefficients were used to assess the inter-rater reliability. After initial confirmation of V-RISK-10 reliability, a senior psychiatry resident assessed 80 patients with V-RISK-10 in the emergency room. The incident of violent behaviors was recorded during the patients' admission period. The receiver operator characteristics curve (ROC-curve) analysis was used to measure the predictive accuracy of the instrument. The convergent validity was assessed by comparing V-RISK-10 scores between the three risk categories and the three outcome recommendations according to clinicians' overall clinical judgment. Results: A Cronbach's alpha coefficient was 0.99 for the total scale. During the research period, 47.5% of patients demonstrated various degrees of aggression and violent behavior. The ROC area under the curve was 0.89 (P < 0.001) with 87% sensitivity, 69% specificity, 72% positive predictive value, and 85% negative predictive value at the cutoff point of 8.5. Conclusion: Results indicate that the Persian version of V-Risk-10 is a reliable and valid screening tool for violence risk in patients who are admitted into psychiatric wards.


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