Joint Bacterial Traces in the Gut and Oral Cavity of Obesity Patients Provide Evidence for Saliva as a Rich Microbial Biomarker Source.

Specifically, the pairwise comparisons of effect sizes across body sites revealed a moderate and highly significant correlation between saliva and plaque (Pearson r = 0.30, p = 1.7 × 10 −5 ; Spearman r = 0.28, p = 8.2 × 10 −5 ).

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