Table 2.

Centrality metrics of keystone genera in the gut microbiota of healthy and CAD Groups

Group	Phylum	Genus	Betweenness (CB)	Closeness (CC)	Degree (CD)
	Firmicutes	Subdoligranulum	0.11792126	0.420454545	22
	Firmicutes	Erysipelotrichaceae_UCG.003	0.163123967	0.456790123	22
	Firmicutes	Holdemania	0.217250422	0.411111111	10
	Firmicutes	Lachnospiraceae_UCG.010	0.163164433	0.456790123	20
Control	Firmicutes	Romboutsia	0.100264285	0.451219512	30
	Firmicutes	Monoglobus	0.073070476	0.46835443	28
	Firmicutes	Dialister	0.105105105	0.349056604	10
	Bacteroidota	Alistipes	0.078763752	0.486842105	30
	Firmicutes	UCG.003	0.084705171	0.435294118	16
	Firmicutes	Oscillospira	0.133498832	0.420454545	16
	Firmicutes	UCG.003	0.03894758	0.793103448	104
CAD	Firmicutes	Lachnospiraceae_FCS020	0.043087499	0.784090909	104
	Firmicutes	Oscillibacter	0.025911067	0.831325301	114
	Firmicutes	Lachnospiraceae_UCG.001	0.029707499	0.831325301	114