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Diagnostic Utility of the Impact of Event Scale–Revised in Two Samples of Survivors of War

PLoS ONE, 2013, Vol.8(12) [Peer Reviewed Journal]

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  • Title:
    Diagnostic Utility of the Impact of Event Scale–Revised in Two Samples of Survivors of War
  • Author: Morina, Nexhmedin ; Ehring, Thomas ; Priebe, Stefan
  • Contributor: Coyne, James (editor)
  • Found In: PLoS ONE, 2013, Vol.8(12) [Peer Reviewed Journal]
  • Subjects: Research Article ; Medicine ; Social And Behavioral Sciences
  • Description: The study aimed at examining the diagnostic utility of the Impact of Event Scale-Revised (IES-R) as a screening tool for post-traumatic stress disorder (PTSD) in survivors of war. The IES-R was completed by two independent samples that had survived the war in the Balkans: a sample of randomly selected people who had stayed in the area of former conflict (n = 3,313) and a sample of refugees to Western European countries (n = 854). PTSD was diagnosed using the MINI International Neuropsychiatric Interview. Prevalence of PTSD was 20.1% in the Balkan sample and 33.1% in the refugee sample. Results revealed that when considering a minimum value of specificity of 0.80, the optimally sensitive cut-off score for screening for PTSD in the Balkan sample was 34. In both the Balkan sample and the refugee sample, this cut-off score provided good values on sensitivity (0.86 and 0.89, respectively) and overall efficiency (0.81 and 0.79, respectively). Further, the kappa coefficients for sensitivity for the cut-off of 34 were 0.80 in both samples. Findings of this study support the clinical utility of the IES-R as a screening tool for PTSD in large-scale research studies and intervention studies if structured diagnostic interviews are regarded as too labor-intensive and too costly.
  • Identifier: E-ISSN: 1932-6203 ; DOI: 10.1371/journal.pone.0083916 ; PMCID: 3877127 ; PMID: 24391844

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