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Patterns of psychiatric diagnosis in general practice: the Second National Morbidity Survey

Published online by Cambridge University Press:  09 July 2009

Graham Dunn*
Affiliation:
Biometrics Unit, Institute of Psychiatry, London
*
1Address for correspondence: Dr Graham Dunn, Biometrics Unit, Institute of Psychiatry, De Crespigny Park, Denmark Hill, London SE5 8AF.

Synopsis

Multidimensional scaling, in the form of principal coordinates analysis and two-way correspondence analysis, is used to illustrate inter-practice variation in patterns of psychiatric diagnoses provided by data from the longitudinal file of the Second National Morbidity Survey. The results strongly support the view that general practitioners' diagnostic habits should be validated before their records are used to provide data on ‘official’ estimates of psychiatric morbidity. It is recommended that, whatever the quality of the data, large tables of official socio-economic or medical statistics should be supplemented by graphical summaries, as they quite often are in France.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1986

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