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Table 3 Underlying cardiac disease by age group

From: Seven years of use of implantable cardioverter-defibrillator therapies: a nationwide population-based assessment of their effectiveness in real clinical settings

Underlying cardiac disease, n (%)

Age group, n (%)

<10 years

10 to 19

20 to 29

30 to 39

40 to 49

50 to 59

60 to 69

70 years or more

Cardiomyopathy

1

(100)

6

(42.9)

12

(44.4)

22

(44.0)

50

(42.0)

93

(32.4)

111

(33.0)

78

(33.2)

Chagas’ heart disease

0

(0.0)

0

(0.0)

4

(14.8)

18

(36.0)

44

(37.0)

96

(33.4)

100

(29.8)

50

(21.3)

Congenital heart disease

0

(0.0)

4

(28.6)

4

(14.8)

0

(0.0)

8

(6.7)

6

(2.1)

13

(3.9)

10

(4.3)

Ischemic heart disease

0

(0.0)

2

(14.3)

4

(14.8)

6

(12.0)

10

(8.4)

65

(22.6)

89

(26.5)

76

(32.3)

Other causes (myocarditis, valvular heart disease, hypertensive heart disease)

0

(0.0)

2

(14.3)

3

(11.1)

4

(8.0)

7

(5.9)

27

(9.4)

23

(6.8)

21

(8.9)

Total

1

(100)

14

(100)

27

(100)

50

(100)

119

(100)

287

(100)

336

(100)

235

(100)