Table 1.

Clinical characteristics of our 162 patients

Variable	Patients
Mean age, years (SD)	57.4 (12.8)
Female (%)	54 (33)
Height, cm (SD)	174.8 (8.4)
Weight, kg (SD)	80.1 (13.9)
Systolic blood pressure (mm Hg, SD)	139.2 (18.8.)
Diastolic blood pressure (mm Hg, SD)	82.5 (10.1)
Potassium (mEq/L)	4.5 (0.6)
Palpitations (%)	98 (60.5 %)
Weakness, fatigue (%)	69 (42 %)
Dyspnea (%)	30 (18.5 %)
Precordial pain	50 (31 %)
Additional premature ventricular beats at rest	67 (41 %)

Standard deviation or percentage in parentheses