- age, gender, height and weight; presence of diabetes, hypertension, chronic obstructive bronchopneumopathy, previous stroke, previous myocardial infarction; moderate to severe valvular heart disease; any previous myocardial revascularization; previous heart surgery; chronic renal failure,defined by glomerular filtration rate (eGFR) <60 mL/min/1.73 square metre; current value of eGFR (mL/min/1.73 square metre); current medical treatment with beta-blockers, diuretics, ACE inhibitors, angiotensin II antagonists, aldosterone antagonists, antiarrhythmic, oral anticoagulants, anti-platelets.