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J Clin Psychol. 2014 Jul;70(7):601-15. doi: 10.1002/jclp.22059. Epub 2013 Dec 18.

Specific and nonspecific psychological interventions for PTSD symptoms: a meta-analysis with problem complexity as a moderator.

Author information

1
University of Bern.

Abstract

CONTEXT:

The necessity of specific intervention components for the successful treatment of patients with posttraumatic stress disorder is the subject of controversy.

OBJECTIVE:

To investigate the complexity of clinical problems as a moderator of relative effects between specific and nonspecific psychological interventions.

METHODS:

We included 18 randomized controlled trials, directly comparing specific and nonspecific psychological interventions. We conducted moderator analyses, including the complexity of clinical problems as predictor.

RESULTS:

Our results have confirmed the moderate superiority of specific over nonspecific psychological interventions; however, the superiority was small in studies with complex clinical problems and large in studies with noncomplex clinical problems.

CONCLUSIONS:

For patients with complex clinical problems, our results suggest that particular nonspecific psychological interventions may be offered as an alternative to specific psychological interventions. In contrast, for patients with noncomplex clinical problems, specific psychological interventions are the best treatment option.

KEYWORDS:

efficacy; meta-analysis; placebo, non-specific; posttraumatic stress disorder; psychological intervention; psychotherapy

PMID:
24353221
DOI:
10.1002/jclp.22059
[Indexed for MEDLINE]

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