A comparison of 16 systems to diagnose schizophrenia

Sixteen diagnostic classification systems were compared to determine the degree of agreement on the diagnosis of schizophrenia. Data were collected by a structured interview method with 284 patients, 52 first admissions, and 196 readmissions. The kappa coefficient was used to calculate interrater re...

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Bibliographic Details
Published in:Journal of clinical psychology 1992-11, Vol.48 (6), p.711-721
Main Authors: Herron, William G., Schultz, Candace L., Welt, Aaron G.
Format: Article
Language:English
Subjects:
Adolescent
Adult
Biological and medical sciences
Classification
Diagnosis
Female
Follow-Up Studies
Hospitalization
Humans
Male
Medical sciences
Nosology. Terminology. Diagnostic criteria
Patient Readmission
Patients
Psychiatric Status Rating Scales - statistics & numerical data
Psychology. Psychoanalysis. Psychiatry
Psychometrics
Psychopathology. Psychiatry
Reproducibility of Results
Schizophrenia
Schizophrenia - classification
Schizophrenia - diagnosis
Schizophrenic Psychology
Social research
Systems
Techniques and methods
Citations: Items that this one cites
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Summary:Sixteen diagnostic classification systems were compared to determine the degree of agreement on the diagnosis of schizophrenia. Data were collected by a structured interview method with 284 patients, 52 first admissions, and 196 readmissions. The kappa coefficient was used to calculate interrater reliability and concordance of the systems. Adequate reliability was found for 12 of the systems. However, concordance was generally low; 11 of 120 combinations reached kappa of.40 or higher for the total sample, 16 of 120 for first admissions, and only 6 of 120 for readmissions. These results indicate the restriction of generalization and raise questions as to the empirical validity of the construct of schizophrenia.
ISSN:0021-9762
1097-4679
DOI:10.1002/1097-4679(199211)48:6<711::AID-JCLP2270480604>3.0.CO;2-#