The Correlation between Gut Microbiota and Serum Metabolomic in Elderly Patients with Chronic Heart Failure

Figure 2

Changes of fecal microbiome. (a) The rank abundance curve. (b) The changes of Chao 1 index. (c) Venn diagram showed microbiota at the phylum level. (d) Venn diagram showed microbiota at genus level. C: healthy group; H: CHF group.

(a)

(b)

(c)

(d)