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Acta Psychiatr Scand. 2009 Aug;120(2):129-37. doi: 10.1111/j.1600-0447.2009.01386.x. Epub 2009 Mar 31.

Outcomes for 236 patients from a 2-year early intervention in psychosis service.

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Totara House Early Intervention for Psychosis Service, Canterbury District Health Board, Christchurch, New Zealand.



To examine: i) changes in key outcome measures over time in treatment in a representative first-episode psychosis treatment cohort and ii) baseline predictors of service disengagement.


Baseline characteristics of 236 patients were examined for associations with outcomes over time using generalized estimating equation models. The data on disengagement were analysed using logistic regression.


After controlling for admission scores, patients showed consistently improved outcomes while in treatment on functional recovery (unemployment, P < 0.01; HoNOS, P < 0.001; the Quality of Life Scale, P < 0.001; GAF, P < 0.05) but not symptomatology (as assessed by the PANSS and substance abuse). The 64 (33%) who disengaged were more likely to be unemployed (P < 0.01) and have higher HoNOS (P < 0.01) and GAF (P < 0.05) scores at baseline.


This evaluation has shown significant improvements in psychosocial functioning but not psychopathology during treatment at an Early Intervention for Psychosis Service. Despite attempts to retain patients, there is a high rate of treatment discontinuation.

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