PCoA clustering analysis by caries status.

<p>The upper figure (A) shows the microbiota variation between 3-month-old infants who developed caries at 3 years of age (red dots) and those who did not (blue dots). The lower figure (B) shows the microbiota variation between 3-year-old children who had caries (red dots) and those who did not (blue dots).</p>