What question did this study set out to answer?

This research aims to assess the predictive validity of the HCR-20 and PCL:SV in forecasting violence among psychiatric patients.

Assessing risk for violence among psychiatric patients: The HCR-20 violence risk assessment scheme and the Psychopathy Checklist: Screening Version.

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Randomized trial evaluates violence risk assessment tools in psychiatric patients, indicating implications for clinical management.

This research aims to assess the predictive validity of the HCR-20 and PCL:SV in forecasting violence among psychiatric patients.
Evaluated files of 193 civilly committed patients with an average follow-up of 626 days.
Conducted receiver operating characteristic analyses to measure associations of HCR-20 and PCL:SV with violence.
Performed regression analyses to determine the incremental validity of HCR-20 over the PCL:SV.
HCR-20 showed strong associations with violence (AUCs = .76-.80), with high-risk individuals being 6 to 13 times more likely to be violent.
PCL:SV exhibited more variable AUCs (.68-.79), indicating less consistency in predicting violence.
Only HCR-20 subscales significantly predicted violence, adding incremental validity to the PCL:SV.

Douglas et al. (1999) studied this question.

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