An empirical study using permutation-based resampling in meta-regression

Joel Gagnier; David Moher; Heather Boon; Claire Bombardier; Joseph Beyene

doi:10.1186/2046-4053-1-18

Abstract

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We present empirical evidence that permutation-based resampling may not change final models when using backwards stepwise regression, but may increase P values in meta-regression of multiple covariates for relatively small amount of trials.

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