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Suicidal intent in deliberate self-harm and the risk of suicide: the predictive power of the Suicide Intent Scale.
J Affect Disord. 2005 Jun; 86(2-3):225-33.JA

Abstract

BACKGROUND

Suicidal intent at the time of deliberate self-harm (DSH) is known to be associated with risk of future suicide in DSH patients. The predictive power of suicidal intent to identify particular individuals who are at high risk of suicide is unclear.

METHOD

Clinical and demographic data on 4156 DSH patients presenting to hospital 1993 and 1997 were analysed. Follow-up information on eventual suicide was available for 2489 patients (mean follow-up 5.2 years). The predictive value of the Beck Suicidal Intent Scale (SIS) was examined using Receiver Operating Characteristic (ROC) plots.

RESULTS

Thirty males (2.9%) and 24 females (1.7%) died by suicide. Despite a robust association between suicidal intent and eventual suicide, the positive predictive value (PPV) of the SIS was low (4%). Predicted probabilities of suicide assigned to individual patients were also low, even for those who eventually died by suicide.

LIMITATIONS

Assessment and follow-up information was not available for all patients.

CONCLUSIONS

The SIS cannot predict which individual patients will ultimately die by suicide. Nonetheless, information regarding suicidal intent is valuable in the clinical risk assessment and management of DSH patients.

Authors+Show Affiliations

Centre for Suicide Research, Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford OX3 7JX, UK.No affiliation info available

Pub Type(s)

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

Language

eng

PubMed ID

15935242

Citation

Harriss, Louise, and Keith Hawton. "Suicidal Intent in Deliberate Self-harm and the Risk of Suicide: the Predictive Power of the Suicide Intent Scale." Journal of Affective Disorders, vol. 86, no. 2-3, 2005, pp. 225-33.
Harriss L, Hawton K. Suicidal intent in deliberate self-harm and the risk of suicide: the predictive power of the Suicide Intent Scale. J Affect Disord. 2005;86(2-3):225-33.
Harriss, L., & Hawton, K. (2005). Suicidal intent in deliberate self-harm and the risk of suicide: the predictive power of the Suicide Intent Scale. Journal of Affective Disorders, 86(2-3), 225-33.
Harriss L, Hawton K. Suicidal Intent in Deliberate Self-harm and the Risk of Suicide: the Predictive Power of the Suicide Intent Scale. J Affect Disord. 2005;86(2-3):225-33. PubMed PMID: 15935242.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Suicidal intent in deliberate self-harm and the risk of suicide: the predictive power of the Suicide Intent Scale. AU - Harriss,Louise, AU - Hawton,Keith, PY - 2004/08/09/received PY - 2005/02/02/revised PY - 2005/02/04/accepted PY - 2005/6/7/pubmed PY - 2005/9/24/medline PY - 2005/6/7/entrez SP - 225 EP - 33 JF - Journal of affective disorders JO - J Affect Disord VL - 86 IS - 2-3 N2 - BACKGROUND: Suicidal intent at the time of deliberate self-harm (DSH) is known to be associated with risk of future suicide in DSH patients. The predictive power of suicidal intent to identify particular individuals who are at high risk of suicide is unclear. METHOD: Clinical and demographic data on 4156 DSH patients presenting to hospital 1993 and 1997 were analysed. Follow-up information on eventual suicide was available for 2489 patients (mean follow-up 5.2 years). The predictive value of the Beck Suicidal Intent Scale (SIS) was examined using Receiver Operating Characteristic (ROC) plots. RESULTS: Thirty males (2.9%) and 24 females (1.7%) died by suicide. Despite a robust association between suicidal intent and eventual suicide, the positive predictive value (PPV) of the SIS was low (4%). Predicted probabilities of suicide assigned to individual patients were also low, even for those who eventually died by suicide. LIMITATIONS: Assessment and follow-up information was not available for all patients. CONCLUSIONS: The SIS cannot predict which individual patients will ultimately die by suicide. Nonetheless, information regarding suicidal intent is valuable in the clinical risk assessment and management of DSH patients. SN - 0165-0327 UR - https://www.unboundmedicine.com/medline/citation/15935242/Suicidal_intent_in_deliberate_self_harm_and_the_risk_of_suicide:_the_predictive_power_of_the_Suicide_Intent_Scale_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0165-0327(05)00038-8 DB - PRIME DP - Unbound Medicine ER -