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Table 1 Patient characteristics

From: Two decades of implantable cardioverter defibrillator implantation and follow-up at a South African referral centre: trends, indications and long-term outcomes in a resource-limited setting

Variable

Overall population, no: 253

Secondary prevention, no: 190

Primary prevention, no: 63

P value

Age, mean (SD) years

50.2 (14.7)

51.5 (14.5)

46.5 (14.8)

0.019

Male gender, No (%)

175 (69.2)

131 (68.9)

44 (69.8)

0.894

Systemic hypertension, No (%)

124 (49.0)

94 (49.5)

30 (47.6)

0.913

Diabetes mellitus, No (%)

51 (20.2)

40 (21.2)

11 (18.0)

0.730

Dyslipidemia, No (%)

45 (17.8)

36 (19.0)

9 (14.8)

0.571

Chronic Obstructive Pulmonary Disease

9 (3.6)

6 (3.2)

3 (4.9)

0.816

Ischemic Heart Disease

99 (39.1)

84 (44.4)

15 (24.6)

0.009

Atrial fibrillation/atrial flutter

22 (8.7)

18 (9.5)

4 (6.3)

0.614

LVEDd, mean (SD) (mm)

58.7 (13.2)

55.8 (11.6)

67.3 (14.1))

< 0.0001

LVESd, mean (SD) (mm)

47.5 (16.2)

44.1 (13.8)

55.5 (18.7)

< 0.0001

Ejection Fraction, mean (SD) %

36.6 (19.5)

39.8 (18.3)

27.5 (20.2)

< 0.0001

NYHA Functional Class Ι/ΙΙ, No (%)

188 (74.3)

154 (81.1)

34 (54.0)

< 0.0001

NYHA Functional Class ΙΙΙ/ΙV, No (%)

65 (25.7)

36 (18.9)

29 (46.0)

< 0.001

Statin

120 (47.4)

96 (50.8)

24 (38.1)

0.109

Beta blocker, No (%)

216 (85.4)

158 (83.6)

58 (92.1)

0.146

NDP CCB, No (%)

5 (2.0)

3 (1.6)

2 (3.2)

0.799

Amiodarone, No (%)

83 (32.8)

77 (41.0)

6 (9.5)

< 0.0001

Sotalol, No (%)

6 (2.4)

5 (2.7)

1 (1.6)

0.995

ACE-inhibitor/ ARB, No (%)

176 (69.6)

123 (65.1)

53 (84.1)

0.007

Warfarin, No (%)

52 (20.6)

35 (18.5)

17 (27.0)

0.159

  1. SD standard deviation, LVEDd left ventricular end diastolic dimension, LVESd left ventricular end systolic dimension, NDP CCB non-dihydropyridine calcium channel blocker, ACE angiotensin-converting enzyme, IQR interquartile range