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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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| Publicado no: | BMC Med Res Methodol |
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| Main Authors: | , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
BioMed Central
2016
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4724161/ https://ncbi.nlm.nih.gov/pubmed/26801083 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s12874-015-0100-4 |
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