The Strauss and Carpenter Prognostic Scale in subjects clinically at high risk of psychosis

Nieman, D. H.; Velthorst, E.; Becker, H. E.; de Haan, L.; Dingemans, P. M.; Linszen, D. H.; Birchwood, M.; Patterson, P.; Salokangas, R. K. R.; Heinimaa, M.; Heinz, A.; Juckel, G.; von Reventlow, H. G.; Morrison, A.; Schultze-Lutter, F.; Klosterkötter, J.; Ruhrmann, S. (2013). The Strauss and Carpenter Prognostic Scale in subjects clinically at high risk of psychosis. Acta psychiatrica Scandinavica, 127(1), pp. 53-61. Oxford: Wiley-Blackwell 10.1111/j.1600-0447.2012.01899.x

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Objective:  To investigate the predictive value of the Strauss and Carpenter Prognostic Scale (SCPS) for transition to a first psychotic episode in subjects clinically at high risk (CHR) of psychosis. Method:  Two hundred and forty-four CHR subjects participating in the European Prediction of Psychosis Study were assessed with the SCPS, an instrument that has been shown to predict outcome in patients with schizophrenia reliably. Results:  At 18-month follow-up, 37 participants had made the transition to psychosis. The SCPS total score was predictive of a first psychotic episode (P < 0.0001). SCPS items that remained as independent predictors in the Cox proportional hazard model were as follows: most usual quality of useful work in the past year (P = 0.006), quality of social relations (P = 0.006), presence of thought disorder, delusions or hallucinations in the past year (P = 0.001) and reported severity of subjective distress in past month (P = 0.003). Conclusion:  The SCPS could make a valuable contribution to a more accurate prediction of psychosis in CHR subjects as a second-step tool. SCPS items assessing quality of useful work and social relations, positive symptoms and subjective distress have predictive value for transition. Further research should focus on investigating whether targeted early interventions directed at the predictive domains may improve outcomes.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > University Psychiatric Services > University Hospital of Child and Adolescent Psychiatry and Psychotherapy
04 Faculty of Medicine > University Psychiatric Services > University Hospital of Child and Adolescent Psychiatry and Psychotherapy > Research Division

UniBE Contributor:

Schultze-Lutter, Frauke

Subjects:

100 Philosophy > 150 Psychology
600 Technology > 610 Medicine & health

ISSN:

0001-690X

Publisher:

Wiley-Blackwell

Language:

English

Submitter:

Myriam Pyrlik

Date Deposited:

04 Oct 2013 14:36

Last Modified:

11 Apr 2014 09:32

Publisher DOI:

10.1111/j.1600-0447.2012.01899.x

PubMed ID:

22775300

Web of Science ID:

000312297100011

Uncontrolled Keywords:

prediction of psychosis, social functioning, clinically at high risk, Strauss and Carpenter Prognostic Scale

URI:

https://boris.unibe.ch/id/eprint/14654 (FactScience: 221734)

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