Fig. 2From: Evaluation of fecal DNA extraction protocols for human gut microbiome studiesConcentration and purity of the DNA samples. a Concentration, b quantity, and c purity (A260/A280) of the DNA samples extracted through protocols S, SB, and P. (* P-value < 0.05, *** P-value < 0.001; Kruskal-Wallis test with Dunn’s multiple comparison test)Back to article page