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Mind the gap: covariate constrained randomisation can protect against substantial power loss in parallel cluster randomised trials
BACKGROUND: Cluster randomised trials often randomise a small number of units, putting them at risk of poor balance of covariates across treatment arms. Covariate constrained randomisation aims to reduce this risk by removing the worst balanced allocations from consideration. This is known to provid...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9006416/ https://www.ncbi.nlm.nih.gov/pubmed/35413793 http://dx.doi.org/10.1186/s12874-022-01588-8 |