Fig. 2From: Gut microbiome profiling of a rural and urban South African cohort reveals biomarkers of a population in lifestyle transitionBoxplots of Shannon and Chao1 alpha diversity measure estimates. Alpha diversity comparisons of lean and obese samples: (a) cohort-wide and (b) site-specific. Overall study cohort differences are shown in (c). ‘*’ indicates a statistically significant difference as measured by the Wilcoxon rank sum test with a p-value of < 0.05Back to article page