Clinical subtypes and age at onset in schizophrenic siblings

This study examines the concordance of clinical subtypes and age at onset of schizophrenia in 42 sibships of multiply affected schizophrenic patients. Subtypes were defined by four major diagnostic systems ( DSM-III, DSM-III-R, ICD-10, and Tsuang-Winokur criteria) and rated both for the first hospit...

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Veröffentlicht in:Psychiatry research 1992-02, Vol.41 (2), p.107-114
Hauptverfasser: Leboyer, Marion, Filteau, Marie-Josée, Jay, Maurice, Campion, Dominique, d'Amato, Thierry, Guilloud-Bataille, Michel, Hillaire, Dominique, Feingold, Josué, des Lauriers, André, Widlöcher, Daniel
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container_end_page 114
container_issue 2
container_start_page 107
container_title Psychiatry research
container_volume 41
creator Leboyer, Marion
Filteau, Marie-Josée
Jay, Maurice
Campion, Dominique
d'Amato, Thierry
Guilloud-Bataille, Michel
Hillaire, Dominique
Feingold, Josué
des Lauriers, André
Widlöcher, Daniel
description This study examines the concordance of clinical subtypes and age at onset of schizophrenia in 42 sibships of multiply affected schizophrenic patients. Subtypes were defined by four major diagnostic systems ( DSM-III, DSM-III-R, ICD-10, and Tsuang-Winokur criteria) and rated both for the first hospitalization and long-term diagnosis. When a sibship method was used, no concordance for subtypes was found in siblings. Age at onset, analyzed as a continuous variable with the intraclass correlation method, was found to be correlated in siblings. This finding suggests that the search for continous traits distributed in families of schizophrenic patients might constitute an alternative to discrete category- based family studies.
doi_str_mv 10.1016/0165-1781(92)90103-A
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subjects Adult and adolescent clinical studies
Age Factors
Biological and medical sciences
clinical subtypes
diagnosis
Family studies
genetics
Hospitalization
Humans
Medical sciences
Psychiatric Status Rating Scales
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Psychoses
Risk Factors
Schizophrenia - classification
Schizophrenia - diagnosis
Schizophrenia - genetics
Schizophrenia, Disorganized - classification
Schizophrenia, Disorganized - diagnosis
Schizophrenia, Disorganized - genetics
Schizophrenia, Paranoid - classification
Schizophrenia, Paranoid - diagnosis
Schizophrenia, Paranoid - genetics
Schizophrenic Psychology
title Clinical subtypes and age at onset in schizophrenic siblings
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