Document Detail


Subtyping first-episode non-affective psychosis using four early-course features: potentially useful prognostic information at initial presentation.
MedLine Citation:
PMID:  23343467     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
AIM: Heterogeneity of symptoms, course and outcomes in primary psychotic disorders complicates prognosis, treatment and diverse aspects of research. This study aimed to identify interpretable subtypes of first-episode non-affective psychosis based on four early-course features (premorbid academic functioning, premorbid social functioning, duration of the prodrome and age at onset of psychosis). METHODS: Data from 200 well-characterized patients hospitalized in public-sector inpatient units for first-episode non-affective psychosis were used in latent profile analyses. Derived subtypes were then compared along a number of clinical dimensions using analyses of variance. RESULTS: Using four early-course features, three classes were derived. A good premorbid/short prodrome subtype was characterized by a lower severity of positive symptoms, better social/occupational/global functioning, and a shorter duration of untreated psychosis; a poor premorbid/early onset subtype demonstrated greater negative and preoccupation symptoms, as well as greater psychosocial problems; and a long prodrome/late onset subtype was characterized by greater dysphoric symptoms. CONCLUSIONS: Findings indicate a need for further research with first-episode samples on the utility of subtyping based on early-course (premorbid, prodromal and onset-related) characteristics. Such efforts could enhance the parsing of heterogeneity, thereby advancing clinical practice and research.
Authors:
Michael T Compton; Mary E Kelley; Dawn Flosnik Ionescu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-24
Journal Detail:
Title:  Early intervention in psychiatry     Volume:  -     ISSN:  1751-7893     ISO Abbreviation:  Early Interv Psychiatry     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101320027     Medline TA:  Early Interv Psychiatry     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2013 Wiley Publishing Asia Pty Ltd.
Affiliation:
Department of Psychiatry and Behavioral Sciences, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA.
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