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Suicide Intent Scale in the prediction of suicide.
J Affect Disord. 2012 Jan; 136(1-2):167-171.JA

Abstract

OBJECTIVE

To assess the predictive value of the Suicide Intent Scale in patients with high suicide risk. The secondary aim was to assess if the use of the factors of the Suicide Intent Scale may offer a better predictive value in suicide risk detection. Finally a shorter version of the scale was created after an item analysis.

METHOD

Eighty-one suicide attempters were assessed with the Beck's Suicide Intent Scale (SIS). All patients were followed up for cause of death. Receiver-operating characteristic (ROC) curves and tables were created to establish the optimal cut-off values for SIS and SIS factors to predict suicide.

RESULTS

Seven patients committed suicide during a mean follow up of 9.5 years. The major finding was that mean SIS scores distinguished between suicides and survivors. The positive predictive value was 16.7% and the Area Under Curve (AUC) was 0.74. Only the planning subscale reached statistical significance. Four items were used to test a shorter version of the SIS in the suicide prediction. The positive predictive value was 19% and the AUC was 0.82.

CONCLUSIONS

The Suicide Intent Scale is a valuable tool in clinical suicide risk assessment, a shorter version of the scale may offer a better predictive value.

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Authors+Show Affiliations

Stefansson J
Department of Clinical Neuroscience, Psychiatry Section, Karolinska Institutet, Karolinska University Hospital, Solna, SE-171 76 Stockholm, Sweden.
Nordström P
Department of Clinical Neuroscience, Psychiatry Section, Karolinska Institutet, Karolinska University Hospital, Solna, SE-171 76 Stockholm, Sweden.
Jokinen J
Department of Clinical Neuroscience, Psychiatry Section, Karolinska Institutet, Karolinska University Hospital, Solna, SE-171 76 Stockholm, Sweden. Electronic address: jussi.jokinen@ki.se.

MeSH

AdolescentAdultAgedFemaleHumansMaleMiddle AgedPredictive Value of TestsPsychiatric Status Rating ScalesPsychological TestsPsychometricsROC CurveRisk AssessmentSuicideSuicide, AttemptedSwedenYoung Adult

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

21144592

Citation

Stefansson, J, et al. "Suicide Intent Scale in the Prediction of Suicide." Journal of Affective Disorders, vol. 136, no. 1-2, 2012, pp. 167-171.
Stefansson J, Nordström P, Jokinen J. Suicide Intent Scale in the prediction of suicide. J Affect Disord. 2012;136(1-2):167-171.
Stefansson, J., Nordström, P., & Jokinen, J. (2012). Suicide Intent Scale in the prediction of suicide. Journal of Affective Disorders, 136(1-2), 167-171. https://doi.org/10.1016/j.jad.2010.11.016
Stefansson J, Nordström P, Jokinen J. Suicide Intent Scale in the Prediction of Suicide. J Affect Disord. 2012;136(1-2):167-171. PubMed PMID: 21144592.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Suicide Intent Scale in the prediction of suicide. AU - Stefansson,J, AU - Nordström,P, AU - Jokinen,J, Y1 - 2010/12/08/ PY - 2010/10/13/received PY - 2010/11/15/revised PY - 2010/11/15/accepted PY - 2010/12/15/entrez PY - 2010/12/15/pubmed PY - 2012/4/27/medline SP - 167 EP - 171 JF - Journal of affective disorders JO - J Affect Disord VL - 136 IS - 1-2 N2 - OBJECTIVE: To assess the predictive value of the Suicide Intent Scale in patients with high suicide risk. The secondary aim was to assess if the use of the factors of the Suicide Intent Scale may offer a better predictive value in suicide risk detection. Finally a shorter version of the scale was created after an item analysis. METHOD: Eighty-one suicide attempters were assessed with the Beck's Suicide Intent Scale (SIS). All patients were followed up for cause of death. Receiver-operating characteristic (ROC) curves and tables were created to establish the optimal cut-off values for SIS and SIS factors to predict suicide. RESULTS: Seven patients committed suicide during a mean follow up of 9.5 years. The major finding was that mean SIS scores distinguished between suicides and survivors. The positive predictive value was 16.7% and the Area Under Curve (AUC) was 0.74. Only the planning subscale reached statistical significance. Four items were used to test a shorter version of the SIS in the suicide prediction. The positive predictive value was 19% and the AUC was 0.82. CONCLUSIONS: The Suicide Intent Scale is a valuable tool in clinical suicide risk assessment, a shorter version of the scale may offer a better predictive value. SN - 1573-2517 UR - https://www.unboundmedicine.com/medline/citation/21144592/Suicide_Intent_Scale_in_the_prediction_of_suicide_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0165-0327(10)00711-1 DB - PRIME DP - Unbound Medicine ER -