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Propensity score to detect baseline imbalance in cluster randomized trials: the role of the c-statistic

BACKGROUND: Despite randomization, baseline imbalance and confounding bias may occur in cluster randomized trials (CRTs). Covariate imbalance may jeopardize the validity of statistical inferences if they occur on prognostic factors. Thus, the diagnosis of a such imbalance is essential to adjust stat...

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Detalles Bibliográficos
Autores principales:	Leyrat, Clémence, Caille, Agnès, Foucher, Yohann, Giraudeau, Bruno
Formato:	Online Artículo Texto
Lenguaje:	English
Publicado:	BioMed Central 2016
Materias:	Research Article
Acceso en línea:	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4724161/ https://www.ncbi.nlm.nih.gov/pubmed/26801083 http://dx.doi.org/10.1186/s12874-015-0100-4

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