Quantitative variables are shown as mean (standard deviation). Qualitative variables are shown as absolute number (percentage).
AF/flutter: atrial fibrillation/flutter; AV block: atrioventricular block; BMI: body mass index; COPD: chronic obstructive pulmonary disease; eGFR: estimated glomerular filtration ratio by MDRD formula; HbA1c: glycosylated hemoglobin; SBP: systolic blood pressure; TIA: transitory ischemic attack.
Table 2: Clinical, laboratory and echocardiographic findings by cluster