Table 1.

Population characteristics.

Clinical parameters	Value	(N) %
Age (years)	64.8 ± 9.3
Males		(63) 86
Systolic blood pressure (mm Hg)	120.5 ± 10.2
Heart rate (bpm)	70.6 ± 13.2
Arterial hypertension		(50) 68
Diabetes %		(28) 38
COPD		(24) 32
Chronic kidney disease (%)		(13) 18
Atrial fibrillation (%)		(27) 37
LVEF (%)	33.1 ± 6.3
LV end-diastolic diameter (mm)	62.8 ± 7.7
LA diameter (mm)	45.8 ± 6.2
Creatinine (mg/dl)	1.15 ± 0.42
Serum potassium (mEq/L)	4.48 ± 0.48
NTproBNP	628.4 ± 3089.2
Drug therapy	(N) %
Beta-blockers	(70) 96
Furosemide	(59) 81
Spironolactone	(46) 63
Ivabradine	(25) 34
Digoxin	(2) 3
Amiodarone	(30) 41
Aspirin	(41) 56
OAC	(32) 44