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Am J Psychiatry. 1999 Jun;156(6):908-11.

Short screening scale for DSM-IV posttraumatic stress disorder.

Author information

1
Department of Psychiatry, Henry Ford Health System, Detroit, MI, USA. nbresla1@hfhs.org

Abstract

OBJECTIVE:

The authors' goal was to construct a short screening scale for DSM-IV posttraumatic stress disorder (PTSD).

METHOD:

They used data from the Detroit Area Survey of Trauma, which is a representative population sample of 2,181 subjects 18-45 years of age. Random digit dialing was used to select the sample, and a computer-assisted telephone interview was used to collect data on traumatic experiences and PTSD. Presence or absence of PTSD was assessed with a telephone-administered structured interview that closely followed the National Institute of Mental Health Diagnostic Interview Schedule for DSM-IV and the World Health Organization Composite International Diagnostic Interview, version 2.1. Best-subset regression analysis and receiver operating characteristic analysis were used to select a subset of items from the structured interview that most efficiently predicted PTSD as diagnosed in the full-length interview.

RESULTS:

A seven-symptom screening scale for PTSD was selected; five of the symptoms were from the avoidance and numbing group, and two were from the hyperarousal group. A score of 4 or greater on this scale defined positive cases of PTSD with a sensitivity of 80%, specificity of 97%, positive predictive value of 71%, and negative predictive value of 98%.

CONCLUSIONS:

The short screening scale is an efficient method to screen for PTSD in epidemiologic and clinical studies, given limitations on resources and burden on respondents.

PMID:
10360131
DOI:
10.1176/ajp.156.6.908
[Indexed for MEDLINE]

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