HF	Heart failure
HFrEF	Heart failure with reduced ejection fraction
HFmrEF	Heart failure with mildly reduced ejection fraction
HFpEF	Heart failure with preserved ejection fraction
LVEF	Left ventricular ejection fraction
GM	Gut microbiota
DM	Diabetes mellitus
HLP	Hyperlipidaemia
BMI	Body mass index
BSA	Body surface area
NYHA	New York Heart Association
SGLT2	Sodium–glucose cotransporter 2
16S rRNA	16S ribosomal ribonucleic acid
DNA	Deoxyribonucleic acid
QIIME2	Quantitative insights into microbial ecology 2
DADA2	Divisive amplicon denoising algorithm 2
ASV	Amplicon sequence variant
OF	Observed features
PD	Phylogenetic diversity
UU	Unweighted UniFRac
WU	Weighted UniFRac
ANCOM	Analysis of composition of microbiomes
PICRUSt2	Phylogenetic investigation of communities by reconstruction of unobserved states 2
KO	KEGG ortholog
EC	Enzyme commission
FDR	False discovery rate
SCFA	Short-chain fatty acids
LPS	Lipopolysaccharide