Figure 4From: Prolonged use of a proton pump inhibitor reduces microbial diversity: implications for Clostridium difficile susceptibilityBeta diversity of samples. Beta diversity via unweighted UniFrac of samples from healthy volunteers and C. difficile patients was calculated for all samples against all samples to generate a distance matrix. Samples were then clustered by Euclidean distance. CDI patients (4/5) formed a cluster distinct from the healthy volunteers and cluster by patient more than time point.Back to article page