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Randomized controlled trials: who fails run-in?
BACKGROUND: Early identification of participants at risk of run-in failure (RIF) may present opportunities to improve trial efficiency and generalizability. METHODS: We conducted a partial factorial-design, randomized, controlled trial of calcium and vitamin D to prevent colorectal adenoma recurrenc...
Autores principales: | , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2016
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4966775/ https://www.ncbi.nlm.nih.gov/pubmed/27474021 http://dx.doi.org/10.1186/s13063-016-1451-9 |