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Vol. 33, No. 5, 2000
Issue release date: September –October 2000
Psychopathology 2000;33:265–270

Comparison of Assessment of Personality Disorder by Patients and Informants

Modestin J. · Puhan A.
Psychiatric University Hospital, Zurich, Switzerland

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The present study evaluated the pathology of personality disorder in a group of 8 nonpatient volunteers and 32 psychiatric in- and outpatients, most of them suffering from substance abuse disorder. The patient self-reports were compared with the reports by 2 informants for each proband. All probands and informants completed the Structured Interview for DSM-III-R Axis II Personality Questionnaire. Patient self-reports and informant reports yielded the same number of diagnoses. The diagnostic agreement between the three sets of data was generally poor; however, the concordance was slightly better between both groups of informants than between patients and informants: Median κ were 0.13 for patients versus parents, 0.14 for patients versus brothers/sisters and 0.29 for parents versus brothers/sisters. Patient and informant evaluations represent two different assessment approaches of the personality, and a complete agreement is not to be expected.

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