P.A.J.M. de Bont
D.P.G. van den Berg
B.M. van der Vleugel
C. de Roos
A. de Jongh
M. van der Gaag
A. van Minnen
- Predictive validity of the Trauma Screening Questionnaire in detecting post-traumatic stress disorder in patients with psychotic disorders
- British Journal of Psychiatry
- Volume | Issue number
- 206 | 5
- Pages (from-to)
- Document type
- Faculty of Dentistry (ACTA)
Post-traumatic stress disorder (PTSD) is highly prevalent in patients with a psychotic disorder. Because a PTSD diagnosis is often missed in patients with psychosis in routine care, a valid screening instrument could be helpful.
To determine the validity of the Trauma Screening Questionnaire (TSQ) as a screening tool for PTSD among individuals with psychotic disorders.
Among 2608 patients with a psychotic disorder, the rate of trauma exposure was determined and the TSQ was administered to screen for PTSD. PTSD status was verified in 455 patients using the Clinician-Administered PTSD Scale (trial registration: ISRCTN 79584912).
Trauma exposure was reported by 78.2% of the 2608 patients. PTSD prevalence was estimated at 16% (95% CI 14.6-17.4%) compared with 0.5% reported in the patients’ clinical charts. A TSQ cut-off score of six predicted PTSD with 78.8% sensitivity, 75.6% specificity, 44.5% correct positives and 93.6% correct negatives.
The TSQ seems to be a valid screening tool for PTSD in patients with a psychotic disorder.
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