Additional file 5.

Univariate analysis of associations between microbial composition and gender. A univariate test for associations of subject gender with microbial clades was conducted using LEfSe [102], resulting in few and weak associations concordant with previous studies [5]. Here, Clostridium and the Streptococcaceae were weakly associated with gender at P < 0.05, but did not remain significant at P < 0.1.

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Morgan et al. Genome Biology 2012 13:R79   doi:10.1186/gb-2012-13-9-r79