From: The impact of asymptomatic ventricular arrhythmias on the outcome of heart failure patients with reduced ejection fraction
LVEF
PVC burden for 1 week Hotler
Infrequent (< 5%)
(n = 108)
Frequent (≥ 5% or NSVT)
(n = 196)
No
%
Severely reduced LVEF < 30 (Group A)
56
51.9
112
57.1
Reduced LVEF ≥ 30 (Group B)
52
48.1
84
42.9