Imputation strategies for missing binary outcomes in cluster randomized trials

<p>Abstract</p> <p>Background</p> <p>Attrition, which leads to missing data, is a common problem in cluster randomized trials (CRTs), where groups of patients rather than individuals are randomized. Standard multiple imputation (MI) strategies may not be appropriate to...

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Hlavní autoři: Akhtar-Danesh Noori, Ma Jinhui, Dolovich Lisa, Thabane Lehana
Médium: Artigo
Jazyk:Inglês
Vydáno: BMC 2011-02-01
Edice:BMC Medical Research Methodology
On-line přístup:http://www.biomedcentral.com/1471-2288/11/18
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