Fig. 1

Bacterial enumeration of fecal samples on Columbia Beerens medium (Bifidobacteriaceae enrichment) and Columbia blood agar (Total bacteria) grouped by pathology and disease activity. Boxplots represent median (solid line), first and third quartile (lower and upper boundaries), lower and upper limits (whiskers, defined by 1.5* inter quartile range) and outliers (dotpoints). Wilcoxon test p-values: *: 0.01–0.05; **: 0.001–0.01; ***: < 0.001; ns: > 0.05. N: number of samples per group