Psychometric properties of the Posttraumatic Diagnostic Scale (PDS) in alcohol-dependent patients
| Autor: | Ingo Schäfer, Jens Reimer, Susanne Fricke, Olaf Kuhnigk, Laura E. Winters, Anne Karow |
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| Rok vydání: | 2014 |
| Předmět: |
Adult
Male medicine.medical_specialty Psychometrics Medicine (miscellaneous) behavioral disciplines and activities Stress Disorders Post-Traumatic Young Adult mental disorders medicine Humans In patient Psychiatry Depression (differential diagnoses) Clinical interview Psychiatric Status Rating Scales Alcohol dependence Middle Aged Diagnostic and Statistical Manual of Mental Disorders Psychiatry and Mental health Posttraumatic stress Alcoholism Anxiety Female Self Report medicine.symptom Substance use Psychology Clinical psychology |
| Zdroj: | Substance abuse. 35(3) |
| ISSN: | 1547-0164 |
| Popis: | Background A high prevalence of comorbid posttraumatic stress disorder (PTSD) is found in patients with substance use disorders (SUDs). In the few existing studies, mixed results regarding the psychometric properties of common screening instruments for PTSD have been reported for patients with SUDs. No results are available for the Posttraumatic Diagnostic Scale (PDS), an established self-report measure for PTSD. Methods The authors assessed 105 patients with alcohol dependence according to DSM-IV ( Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition) (70% male) 2 weeks after their admission to an inpatient detoxification unit. Participants were administered the PDS, the PTSD module of the Structured Clinical Interview for DSM-IV (SCID), as well as measures of depression and anxiety. Patients with other substance use disorders were excluded as were patients reporting no traumatic event. Results Internal consistencies were good to very good for the total scale (.93) and the subscales of the PDS (.82–.91). In our sample, the PDS had a high specificity (.89) but only moderate sensitivity (.57). Diagnostic agreement with the SCID was 83% (.46). The results of a receiver operating characteristic (ROC) analysis suggested that a PDS score of 8 was the optimal cutoff to screen for PTSD. The highest diagnostic agreement between PDS and SCID (89%; .60) was achieved using a cutoff score of 24. Conclusions These findings confirm previous results suggesting that the psychometric properties of self-report measures of PTSD in patients with SUDs might differ from those in the general population. When the PDS is used in recently detoxified patients with alcohol dependence, it seems advisable to modify the cutoff score of this instrument to improve its sensitivity and diagnostic accuracy. |
| Databáze: | OpenAIRE |
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