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Clinical utility of a brief diagnostic test for posttraumatic stress disorder
I V Carlier1, R D Lamberts, A J Van Uchelen
1Academic Medical Center, University of Amsterdam, Department of Psychiatry, The Netherlands.
Objective:
This study examines the psychometric properties and clinical utility of a brief diagnostic instrument known as the Self-Rating Scale for PTSD (SRS-PTSD).
Method:
The scale was applied to a sample of 136 survivors of a plane crash. We designed SRS-PTSD as an abridged version of the Structured Interview for PTSD (SI-PTSD), which measures the presence and severity of PTSD symptoms from both a current and a lifetime perspective.
Results:
The results indicate that SRS-PTSD and SI-PTSD both show satisfactory internal consistency and interjudge reliability. Furthermore, SRS-PTSD was shown to have sufficient sensitivity and specificity and an adequate likelihood ratio.
Conclusions:
SRS-PTSD constitutes a good alternative for SI-PTSD, especially for sites with limited clinical resources.