Increased risk of type I errors in cluster randomised trials with small or medium numbers of clusters: a review, reanalysis, and simulation study

BACKGROUND: Cluster randomised trials (CRTs) are commonly analysed using mixed-effects models or generalised estimating equations (GEEs). However, these analyses do not always perform well with the small number of clusters typical of most CRTs. They can lead to increased risk of a type I error (find...

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Dades bibliogràfiques
Publicat a:Trials
Autors principals: Kahan, Brennan C., Forbes, Gordon, Ali, Yunus, Jairath, Vipul, Bremner, Stephen, Harhay, Michael O., Hooper, Richard, Wright, Neil, Eldridge, Sandra M., Leyrat, Clémence
Format: Artigo
Idioma:Inglês
Publicat: BioMed Central 2016
Matèries:
Research
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC5013635/
https://ncbi.nlm.nih.gov/pubmed/27600609
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s13063-016-1571-2
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