Fig. 2From: Association of cigarette smoking with oral bacterial microbiota and cardiometabolic health in Chinese adultsAlpha and beta diversity estimates of the oral microbial community. (A-D) Comparison of Shannon index (A), Observed features (B), Pielou’s evenness (C) and Faith’s PD (D) in the oral microbiota between smokers and non-smokers. * p ≤ 0.05, ** p ≤ 0.01, *** p ≤ 0.001. (E) PCoA based on the Bray-Curtis distances of the oral microbial communities between smokers and non-smokersBack to article page