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DELTA(2) guidance on choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial
BACKGROUND: A key step in the design of a RCT is the estimation of the number of participants needed in the study. The most common approach is to specify a target difference between the treatments for the primary outcome and then calculate the required sample size. The sample size is chosen to ensur...
Autores principales: | , , , , , , , , , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6218987/ https://www.ncbi.nlm.nih.gov/pubmed/30400926 http://dx.doi.org/10.1186/s13063-018-2884-0 |