HRQoL	Health-related quality of life
QALYs	Quality-adjusted life-years
BMI	Body mass index
EOC	Ente Ospedaliero Cantonale
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-analyses
s/c	subcutaneously
GLP-1 RA	Glucacon-like peptide 1 receptor agonists
COPD	Chronic obstructive pulmonary disease
RYGB	Roux-en-Y gastric bypass
SG EWL	Sleeve gastrectomy Excess body weight loss
GIP	Gastric inhibitory polypeptide
PCOS	Polycystic ovary syndrome