Testing for baseline balance: can we finally get it right?
作者信息
Berger Vance W
出版信息
J Clin Epidemiol. 2010 Aug;63(8):939-40; author reply 940-2. doi: 10.1016/j.jclinepi.2010.02.014. Epub 2010 Apr 24.
Abstract
摘要
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本文引用的文献
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A substantial and confusing variation exists in handling of baseline covariates in randomized controlled trials: a review of trials published in leading medical journals.
J Clin Epidemiol. 2010 Feb;63(2):142-53. doi: 10.1016/j.jclinepi.2009.06.002. Epub 2009 Aug 27.
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Do not test for baseline imbalances unless they are known to be present?
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Quantifying the magnitude of baseline covariate imbalances resulting from selection bias in randomized clinical trials.
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An effectiveness trial of a diagnostic test in a busy outpatients department in a developing country: issues around allocation concealment and envelope randomization.
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