On interrater reliability for Leonhard's classification of endogenous psychoses

Psychopathology
B PfuhlmannH Beckmann

Abstract

Twenty-two patients with a diagnosis of schizophrenia according to DSM-III-R and ICD-10 criteria, for whom the long-term courses of illness were all well documented, were classified by 4 independent investigators using Leonhard's classification of endogenous psychoses. With regard to the large nosological groups of cycloid psychoses (including the subtypes of anxiety-happiness psychosis, confusional psychosis and motility psychosis), of unsystematic schizophrenias (including the subtypes of affect-laden paraphrenia, cataphasia and periodic catatonia), and of systematic schizophrenias (divided into systematic catatonias, systematic paraphrenias, and hebephrenias), is was possible to reach a high level of agreement in the diagnosis, representing a Cohen kappa coefficient of 0.82 and 0.89, respectively. In only 2 out of 22 patients were discrepancies observed in the assignment to the above-mentioned groups. This clearly shows the high reliability of Leonhard's classification, which allows a differentiated diagnostic and prognostic judgement of schizophrenic psychoses according to the DSM-III-R and ICD-10.

Citations

Dec 19, 1998·Journal of Affective Disorders·B PfuhlmannH Beckmann
Dec 12, 1997·Acta Psychiatrica Scandinavica·G StöberH Beckmann
Nov 16, 2010·The Journal of ECT·Dirk M DhosscheUjjwal K Rout
Jan 9, 2003·The World Journal of Biological Psychiatry : the Official Journal of the World Federation of Societies of Biological Psychiatry·Burkhard Emanuel JabsHelmut Beckmann
Sep 4, 2004·The World Journal of Biological Psychiatry : the Official Journal of the World Federation of Societies of Biological Psychiatry·Burkhard Emanuel JabsBruno Pfuhlmann
Dec 29, 2015·Schizophrenia Bulletin·Victor PeraltaManuel J Cuesta
Sep 23, 2000·American Journal of Human Genetics·G StöberH Beckmann
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Mar 22, 2018·Progress in Neuro-psychopharmacology & Biological Psychiatry·Jack René FoucherFabrice Berna
Jul 17, 2021·European Archives of Psychiatry and Clinical Neuroscience·Manuel J CuestaUNKNOWN SegPEPs Group

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