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Use of clustering analysis in randomized controlled trials in orthopaedic surgery
BACKGROUND: The effects of clustering in randomized controlled trials (RCTs) and the resulting potential violation of assumptions of independence are now well recognized. When patients in a single study are treated by several therapists, there is good reason to suspect that the variation in outcome...
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2015
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4359453/ https://www.ncbi.nlm.nih.gov/pubmed/25887529 http://dx.doi.org/10.1186/s12874-015-0006-1 |