Main baseline characteristics of participants.

Of type 2 diabetic subjects, 12 were receiving other hypoglycaemic treatments. SD: Standard Deviation; IQR: Inter-Quartile Range;£Diabetes was assessed for subjects with fasting blood glucose ≥7.7 mmol/l (140 mg/dl) or under hypoglycaemic drug treatment;££Diabetic subjects treated with metformin alone;£££Diabetics with sulfonylureas or insulin alone or in combination;* Diabetes with renal, ophthalmic, neurological, peripheral arterial disease or atherosclerotic cardiovascular disease;** Among diabetics.