BIA	Bioimpedance analysis.
MNA	Mini Nutritional Assessment.
CONUT	Controlling Nutritional Risk Index.
GNRI	Geriatric Nutritional Risk Index.
ARDs	Age-Related Diseases.
DRM	Disease-related malnutrition.
LLIs	Long-living individuals.
y.o.	Years old.
BMI	Body Mass Index.
STROBE	Strengthening the Reporting of Observational Studies in Epidemiology.
SD	Standard deviation.
MMSE	Mini Mental State Examination.
BIVA	Bioelectrical Impedance Vector Analysis.
PhA	Phase Angle.
Rz	Reactance.
Xc	Resistance.
H	Height.
WLo	Ideal Weight.
N	Number of individuals for each age.
F	Females.
M	Males.
ESPEN	European Society for Clinical Nutrition and Metabolism.
MUST	Malnutrition Universal Screening Tool.
GLIM	Global Leadership Initiative on malnutrition criteria.