VLEKT	Very-low-energy ketogenic therapy
FFM	Fat-free mass
MedD	Low-energy mediterranean diet
BMI	Body mass index
FM	Fat mass
KD	Ketogenic diet
AOU	Azienda Ospedaliero Universitaria
BIA	Bioelectrical impedance analysis
T2D	Type 2 diabetes
SD	Standard deviation
IQR	Interquartile range
GPx	Glutathione peroxidase
SOD	Superoxide dismutase
EASO	European association for the study of obesity
PCA	Principal component analysis
PC1	Principal component axis 1
PC2	Principal component axis 2
HOMA-IR	Homeostasis model assessment of insulin resistance
TNF- α	Tumour necrosis factor alpha
MCP-1	Monocyte chemoattractant protein–1
HDL	High-density lipoprotein cholesterol
IL	Interleukin
FPG	Fasting plasma glucose
FPI	Fasting plasma insulin
HbA1c	Glycated hemoglobin
LDL	Low-density lipoprotein cholesterol
TG	Triglycerides
NLR	Neutrophil-to-lymphocyte ratio
CXCL5/ENA-78	C-X-C motif chemokine ligand 5