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Predictors of 10-year outcome of first-episode psychosis

Published online by Cambridge University Press:  03 February 2009

C. White ,
J. Stirling ,
R. Hopkins ,
J. Morris ,
L. Montague ,
D. Tantam  and
S. Lewis
C. White
Affiliation:
Division of Psychiatry, University of Manchester, Manchester, UK
J. Stirling*
Affiliation:
Department of Psychology and Speech Pathology, Manchester Metropolitan University, Manchester, UK
R. Hopkins
Affiliation:
Division of Psychiatry, University of Manchester, Manchester, UK
J. Morris
Affiliation:
Division of Psychiatry, University of Manchester, Manchester, UK
L. Montague
Affiliation:
Division of Psychiatry, University of Manchester, Manchester, UK
D. Tantam
Affiliation:
Centre for Mental Health, University of Sheffield, Sheffield, UK
S. Lewis
Affiliation:
Division of Psychiatry, University of Manchester, Manchester, UK
*
*Address for correspondence: J. Stirling, D.Phil., Department of Psychology and Speech Pathology, Manchester Metropolitan University, Hathersage Road, Manchester M13 0JA, UK. (Email: [email protected])
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Abstract

Background

Predictors of outcome for psychosis are poorly understood. Duration of untreated psychosis (DUP) appears to predict short-term outcome although its medium- to long-term role remains unclear. Neurodevelopmental indices such as pre-morbid function and/or neurological soft signs may predict longer-term outcome. We aimed to assess the impact of a range of clinical and demographic variables on long-term outcome of a geographically defined, epidemiological first-episode psychosis cohort.

Method

A 10-year follow-up was undertaken of a consecutively presenting sample of 109 cases of first-episode psychosis aged 16–50 years. Baseline assessments included positive, negative and depression symptoms, DUP, neurological soft signs and pre-morbid functioning. Multi-dimensional outcomes were assessed blind to baseline data.

Results

All participants were traced at a mean of 10.5 years post-index admission: 11 had died, 10 from non-natural causes. Of the surviving cases, 70% were comprehensively re-assessed by interview. Summary data on the remainder were collected from their family practitioner and chart review. Poor 10-year outcomes were predicted independently by poor pre-morbid functioning, baseline negative symptoms and longer DUP. The same measures, plus neurological soft signs, appeared to predict outcomes in a DSM-IV schizophrenia/schizo-affective subgroup.

Conclusions

Poor pre-morbid functioning, baseline symptoms, DUP and neurological soft signs at onset independently predict poor long-term outcome in first-episode psychosis.

Keywords

First-episode psychosislong-term follow-upoutcome predictors
Type
Original Articles
Information
Psychological Medicine , Volume 39 , Issue 9 , September 2009 , pp. 1447 - 1456
Copyright
Copyright © 2009 Cambridge University Press

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