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Hosey, Megan M; Leoutsakos, Jeannie-Marie S; Li, Ximin; Dinglas, Victor D; Bienvenu, O Joseph; Parker, Ann M; Hopkins, Ramona O; Needham, Dale M; Neufeld, Karin J
Critical care (London, England), 08/2019, Letnik: 23, Številka: 1Journal Article
Posttraumatic stress disorder (PTSD) symptoms are common in acute respiratory distress syndrome (ARDS) survivors. Brief screening instruments are needed for clinical and research purposes. We evaluated internal consistency, external construct, and criterion validity of the Impact of Event Scale-6 (IES-6; 6 items) compared to the original Impact of Event Scale-Revised (IES-R; 22 items) and to the Clinician Administered PTSD Scale (CAPS) reference standard evaluation in ARDS survivors. This study is a secondary analysis from two independent multi-site, prospective studies of ARDS survivors. Measures of internal consistency, and external construct and criterion validity were evaluated. A total of 1001 ARDS survivors (51% female, 76% white, mean (SD) age 49 (14) years) were evaluated. The IES-6 demonstrated internal consistency over multiple time points up to 5 years after ARDS (Cronbach’s alpha = 0.86 to 0.91) and high correlation with the IES-R (0.96; 95% confidence interval (CI): 0.94 to 0.97). The IES-6 demonstrated stronger correlations with related constructs (e.g., anxiety and depression; |r| = 0.32 to 0.52) and weaker correlations with unrelated constructs (e.g., physical function and healthcare utilization measures (|r| = 0.02 to 0.27). Criterion validity evaluation with the CAPS diagnosis of PTSD in a subsample of 60 participants yielded an area under receiver operating characteristic curve (95% CI) of 0.93 (0.86, 1.00), with an IES-6 cutoff score of 1.75 yielding 0.88 sensitivity and 0.85 specificity. The IES-6 is reliable and valid for screening for PTSD in ARDS survivors and may be useful in clinical and research settings.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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