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Table 1 Baseline characteristics of primary prevention patients experienced VA vs. no VA

From: Risk of subsequent ventricular arrhythmia is higher in primary prevention patients with implantable cardioverter defibrillator than in secondary prevention patients

Baseline characteristics

Patients experienced VA(n = 210)

Patients not experienced VA (n = 261)

P-value

Male

166 (79.0%)

193 (73.9%)

0.231

Age(years)

62.72 ± 11.83

61.50 ± 13.77

0.475

Ischemic heart disease

57 (27.1%)

48 (18.4%)

0.023

Hypertension

70 (33.3%)

97 (37.2%)

0.438

Diabetes

28 (13.3%)

27 (10.3%)

0.317

Stroke

4 (1.9%)

6 (2.3%)

1.000

Atrial fibrillation

26 (12.4%)

18 (6.9%)

0.055

LVEF (%)

33.13 ± 10.64

34.29 ± 9.48

0.218

LVEDD (mm)

64.68 ± 12.94

63.48 ± 11.40

0.575

NYHA class III-IV

129 (61.4%)

169 (64.8%)

0.457

Beta-blockers

129 (61.4%)

145 (55.6%)

0.222

ACEI/ARB

88 (43.8%)

113 (43.3%)

0.852

Diuretics

77 (36.7%)

102 (39.1%)

0.633

Amiodarone

47 (22.4%)

47 (18.0%)

0.248

  1. Abbreviations: VA Ventricular arrhythmia, LVEF Left ventricular Ejection fraction, LVEDD Left ventricular end-diastolic diameter, NYHA class New York Heart Association class, ACEI Angiotensin-converting enzyme inhibitor, ARB Angiotensin receptor blocker