Fig. 5.
Community structure of patients with or without recurrent C. difficile infection. Principal coordinates analysis (PCoA) was used to plot the Yue and Clayton dissimilarity index (θ YC). a The community structure of the microbiota in samples from nonrecurrent, recurrent, and reinfected patients (analysis of molecular variance (AMOVA), p = 0.016). b The community structure of samples positive or negative for C. difficile as determined by the clinical lab using Quik Chek (AMOVA, p = 0.015)