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The Stability of Diagnosis over Time in a Register-based Study of Psychiatric Inpatients
Published online by Cambridge University Press: 15 April 2020
Abstract
Diagnosis at first admission is an important variable in epidemiological studies but concerns regarding stability need to be adressed.
To investigate the persistence of diagnosis at first admission within 10 years in a nationwide cohort of psychiatric inpatients with 25 year follow-up.
A cohort was established from a database of all persons admitted to psychiatric wards in Iceland from 1983 to 2008. Those who became 18 during the study period 1983-2007 were selected for this analysis. The outcomes were the diagnosis at first diagnosis, and within 1, 2, 5 or 10 years, after first admission for the following diagnostic groups; substance use disorders, mood disorders, personality disorders, schizophrenia and related disorders were studied using descriptive methods.
Some 4959 were included in the study, 50.4% were men (n=2504). Mean (sd) age at first admission was 27 (± 6.1) years. Most or 51% (2542/4959) were admitted more than once during the study period. Of those who were ever diagnosed with an SUD 87% (2214/2535) received an SUD diagnosis at first admission. In mood disorders, 80% (1771/2203) and anxiety disorders 76% were diagnosed at first admission. Only 67% (372/559) of those ever diagnosed with schizophrenia or similar and 60% (663/1098) of those ever diagnosed with personality disorders received the diagnosis at first admission.
In register-based research diagnosis at first admission is a good indicator for SUD and mood disorders, but less so for personality disorders and schizophrenia or related disorders.
- Type
- Article: 1385
- Information
- European Psychiatry , Volume 30 , Issue S1: Abstracts of the 23rd European Congress of Psychiatry , March 2015 , pp. 1
- Copyright
- Copyright © European Psychiatric Association 2015
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