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Vol. 24, No. 5, 1991
Issue release date: 1991
Psychopathology 1991;24:328–335
Functional Psychoses. Recent Follow-Up Studies

Temporal Stability of Diagnostic Criteria for Functional Psychoses

Results from the Vienna Follow-Up Study

Lenz G. · Simhandl C. · Thau K. · Berner P. · Gabriel E.
Psychiatric Clinic, University of Vienna, Austria Psychopathology 1991;24:328–335 (DOI:10.1159/000284733)


200 first admissions with functional psychoses were interviewed with PSE and rated simultaneously according to different diagnostic criteria (ICD-9, RDC, DSM-III, St. Louis, Taylor, Vienna Research Criteria). At follow-up 7 years later 186 patients could be traced and a course diagnosis was applied to each patient. Temporal stability of diagnostic criteria was calculated for ICD-9, RDC and DSM-III by stability coefficient and kappa values and was used as a criterion for validity. Schizophrenia and affective disorder display considerable stability over time, no matter whether one uses ICD-9, RDC or DSM-III. The data for schizoaffective disorder are less impressive, the stability coefficient is much higher for schizoaffective bipolar than for schizoaffective depressive patients.

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Univ.-Doz. Dr. Gerhard Lenz, Psychiatric Clinic, University of Vienna, Währinger Gürtel 18-20, A-1090 Vienna (Austria)

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Published online: February 09, 2010
Number of Print Pages : 8

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Psychopathology (International Journal of Descriptive and Experimental Psychopathology, Phenomenology and Psychiatric Diagnosis)

Vol. 24, No. 5, Year 1991 (Cover Date: 1991)

Journal Editor: Mundt C. (Heidelberg), Akiskal H.S. (San Diego, Calif.), Mezzich J.E. (New York, N.Y.)
ISSN: 0254-4962 (Print), eISSN: 1423-033X (Online)

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