AGEs	advanced glycation end-products
ASM	appendicular skeletal muscle mass
Average e’	septal e’ + lateral e’)/2
BCG	bromocresol green
BCM	body composition monitor
BIS	bioimpedance spectroscopy
BMI	body mass index
CHOD-PAP	enzymatic colorimetric
CKD	chronic kidney disease
CKD-EPI	Chronic Kidney Disease Epidemiology Collaboration
CST	chair stand test
eGFR	estimated glomerular filtration rate
E/A	the ratio of the maximal velocity of early diastolic transmitral inflow and the maximal velocity through mitral valve in the later atrial contraction
ECLIA	electrochemiluminescence immunoassay
E/e’	average septal-lateral E/e’ ratio
E wave	the maximal velocity of early diastolic transmitral inflow
EWGSOP2	European Working Group on Sarcopenia in Older People
Fat	fat mass
FGF23	fibroblast growth factor 23
FTI	fat tissue index
FTSST	five-times sit-to-stand test
GH	growth hormone
GH/IGF-1	insulin-like growth factor-1
HF	heart failure
HFpEF	heart failure with preserved ejection fraction
HGS	hand grip strength
HOMA-IR	homeostasis model assessment of insulin resistance
IVS	interventricular septum
LA [mm]	left atrial anteroposterior dimension
LA [cm2]	left atrial surface area measured in the parasternal long-axis view
LAVI	left atrial volume index
lateral e’	early diastolic velocity at the lateral mitral annulus
LVDd	left ventricular diastolic dysfunction
LVEF	left ventricular ejection fraction
LTI	lean tissue index
LTM	lean tissue mass
LVMI	left ventricular mass index
NT-proBNP	N-terminal pro-B-type natriuretic peptide
OH	overhydration
PL-MSRA-7	Polish validated version of the Mini Sarcopenia Risk Assessment Questionnaire
PWD	posterior wall diameter
RWT	relative wall thickness
septal e’	early diastolic velocity at the septal mitral annulus
SLS	sodium lauryl sulfate
S’ wave	pulsed wave–Doppler tissue imaging (PW–DTI)-derived tricuspid lateral annular peak systolic velocity
TAPSE	tricuspid annular plane systolic excursion