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Non-randomised evaluations of strategies to increase participant retention in randomised controlled trials: a systematic review
BACKGROUND: Retention of participants is essential to ensure the statistical power and internal validity of clinical trials. Poor participant retention reduces power and can bias the estimates of intervention effect. There is sparse evidence from randomised comparisons of effective strategies to ret...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7523052/ https://www.ncbi.nlm.nih.gov/pubmed/32993797 http://dx.doi.org/10.1186/s13643-020-01471-x |