Treatment results for severe psychiatric illness: which method is best suited to denote the outcome of mental health care?

BMC Psychiatry
Edwin de BeursJaap van Weeghel

Abstract

The present study investigates the suitability of various treatment outcome indicators to evaluate performance of mental health institutions that provide care to patients with severe mental illness. Several categorical approaches are compared to a reference indicator (continuous outcome) using pretest-posttest data of the Health of Nation Outcome Scales (HoNOS). Data from 10 institutions and 3189 patients were used, comprising outcomes of the first year of treatment by teams providing long-term care. Findings revealed differences between continuous indicators (standardized pre-post difference score ES and ΔT) and categorical indicators (SEM, JTRCI, JTCS, JTRCI&CS, JTrevised) on their ranking of institutions, as well as substantial differences among categorical indicators; the outcome according to the traditional JT approach was most concordant with the continuous outcome indicators. For research comparing group averages, a continuous outcome indicator such as ES or ΔT is preferred, as this best preserves information from the original variable. Categorical outcomes can be used to illustrate what is accomplished in clinical terms. For categorical outcome, the classical Jacobson-Truax approach is preferred over the more complex me...Continue Reading

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Citations

Oct 10, 2020·The Australian and New Zealand Journal of Psychiatry·Stephan T EggerStefan Vetter
Jan 9, 2021·The American Journal of Geriatric Psychiatry : Official Journal of the American Association for Geriatric Psychiatry·Date C van der VeenRichard C Oude Voshaar

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