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Validity and reliability of the Structured Clinical Interview for Depersonalization-Derealization Spectrum (SCI-DER).

Mula, M; Pini, S; Calugi, S; Preve, M; Masini, M; Giovannini, I; Conversano, C; Rucci, P; Cassano, GB (2008) Validity and reliability of the Structured Clinical Interview for Depersonalization-Derealization Spectrum (SCI-DER). Neuropsychiatric Disease and Treatment, 4 (5). pp. 977-986. ISSN 1176-6328 https://doi.org/10.2147/NDT.S3622
SGUL Authors: Mula, Marco

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Abstract

This study evaluates the validity and reliability of a new instrument developed to assess symptoms of depresonalization: the Structured Clinical Interview for the Depersonalization-Derealization Spectrum (SCI-DER). The instrument is based on a spectrum model that emphasizes soft-signs, sub-threshold syndromes as well as clinical and subsyndromal manifestations. Items of the interview include, in addition to DSM-IV criteria for depersonalization, a number of features derived from clinical experience and from a review of phenomenological descriptions. Study participants included 258 consecutive patients with mood and anxiety disorders, 16.7% bipolar I disorder, 18.6% bipolar II disorder, 32.9% major depression, 22.1% panic disorder, 4.7% obsessive compulsive disorder, and 1.5% generalized anxiety disorder; 2.7% patients were also diagnosed with depersonalization disorder. A comparison group of 42 unselected controls was enrolled at the same site. The SCI-DER showed excellent reliability and good concurrent validity with the Dissociative Experiences Scale. It significantly discriminated subjects with any diagnosis of mood and anxiety disorders from controls and subjects with depersonalization disorder from controls. The hypothesized structure of the instrument was confirmed empirically.

Item Type: Article
Additional Information: © 2008 Mula et al, publisher and licensee Dove Medical Press Ltd. This is an Open Access article which permits unrestricted noncommercial use, provided the original work is properly cited.
Keywords: anxiety disorders, depersonalization, derealization, mood disorders, Neurology & Neurosurgery, 1103 Clinical Sciences, 1109 Neurosciences
SGUL Research Institute / Research Centre: Academic Structure > Institute of Medical & Biomedical Education (IMBE) > Centre for Clinical Education (INMECE )
Journal or Publication Title: Neuropsychiatric Disease and Treatment
ISSN: 1176-6328
Language: eng
Dates:
DateEvent
October 2008Published
PubMed ID: 19183789
Go to PubMed abstract
URI: https://openaccess.sgul.ac.uk/id/eprint/107342
Publisher's version: https://doi.org/10.2147/NDT.S3622

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