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Strategies to minimise and monitor biases and imbalances by arm in surgical cluster randomised trials: evidence from ChEETAh, a trial in seven low- and middle-income countries
BACKGROUND: Cluster randomised controlled trials (cRCT) present challenges regarding risks of bias and chance imbalances by arm. This paper reports strategies to minimise and monitor biases and imbalances in the ChEETAh cRCT. METHODS: ChEETAh was an international cRCT (hospitals as clusters) evaluat...
Formato: | Online Artículo Texto |
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Lenguaje: | English |
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BioMed Central
2023
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10077601/ https://www.ncbi.nlm.nih.gov/pubmed/37020311 http://dx.doi.org/10.1186/s13063-022-06852-2 |