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Using the half normal distribution to quantify covariate balance in cluster-randomized pragmatic trials
BACKGROUND: Pragmatic trials often consist of cluster-randomized controlled trials (C-RCTs), where staff of existing clinics or sites deliver interventions and randomization occurs at the site level. Covariate-constrained randomization (CCR) methods are often recommended to minimize imbalance on imp...
Autores principales: | , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7936436/ https://www.ncbi.nlm.nih.gov/pubmed/33676533 http://dx.doi.org/10.1186/s13063-021-05122-x |