Table 8.

The main clusters of keywords in studies of the GM in CVD.

Cluster number	Label (LLR)	Size	Silhouette	Top three most frequent keywords
0	gut microbiota	71	0.726	gut microbiota; cardiovascular disease; chain fatty acid
1	health	63	0.68	health; risk; diversity
2	gastrointestinal microbiome	51	0.677	blood pressure; rat; gastrointestinal tract
3	trimethylamine n-oxide	50	0.687	metabolism; trimethylamine n-oxide; phosphatidylcholine
4	16s rRNA	46	0.632	16s rRNA; glucose; plasma
5	gut dysbiosis	45	0.766	oxidative stress; risk factor; gut dysbiosis
6	short-chain fatty acids	45	0.727	short-chain fatty acid; dietary fiber; diet-induced obesity
7	bacterial translocation	45	0.769	bacterial translocation; intestinal bacterial overgrowth; intestinal permeability
8	obesity	30	0.732	obesity; mice; diet
9	Mediterranean diet	30	0.826	Mediterranean diet; metabolite; fiber