Principal coordinate analysis of 1815 gut microbiome samples and 116 oral microbiome samples. The gut microbiome of PPI users is significantly different from non-PPI users in the first coordinate (PCoA1: p=1.39×10?20, Wilcoxon test). For Principal Coordinate 1 there is a significant shift of the gut microbiome of PPI users towards the oral microbiome. PCoA, principal coordinate analysis; PPI, proton pump inhibitor.
