BCMI	Body cell mass index
CCI	Charlson Comorbidity Index
CKD	Chronic Kidney Disease
CNAQ	Council on Nutrition Appetite Questionnaire
eGFR	estimated Glomerular filtration rate
ESRD	End stage renal disease
HB	Harris-Benedict equation
IBW	Ideal body weight
MAMC	Middle arm muscle circumference
MAMA	Middle arm muscle area
MET	Metabolic equivalent
6MWT	Six-Minute Walk Test
MIS	Malnutrition inflammation score
nPCR	Normalized protein catabolic rate
PA	Physical activity
RAPA	Rapid Assessment of Physical Activity
REE	Resting energy expenditure
SM	Skeletal muscle
SMI	Skeletal muscle index
STS	30′’: 30-s Sit-to-Stand Chair Test
TEE	Total energy expenditure