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Table 4 Prevalence of premature ventricular contractions on Holter monitor based on the severity of left ventricular dysfunction (n = 304)

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

%

No

%

Severely reduced LVEF < 30 (Group A)

56

51.9

112

57.1

Reduced LVEF ≥ 30 (Group B)

52

48.1

84

42.9

  1. PVC: premature ventricular contractions, LVEF: left ventricular ejection fraction