Article
Trajectories of change in depression severity during treatment with antidepressants.
Psychological medicine - 1 Aug 2010
Uher R, Muthén B, Souery D, Mors O, Jaracz J, Placentino A, Petrovic A, Zobel A, Henigsberg N, Rietschel M, Aitchison K J, Farmer A, McGuffin P
Abstract excerpt
BACKGROUND: Response and remission defined by cut-off values on the last observed depression severity score are commonly used as outcome criteria in clinical trials, but ignore the time course of symptomatic change and may lead to inefficient analyses. We explore alternative categorization of outcome by naturally occurring trajectories of symptom change. METHOD: Growth mixture models were applied to repeated...
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