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Table 2 Age and sex distribution of the study population

From: Normal limits of the electrocardiogram derived from a large database of Brazilian primary care patients

Age group (years)

Male

Female

Total

n

n

n

%

1–2

259

216

475

0.1%

3–4

840

667

1507

0.3%

5–7

2486

1947

4433

0.9%

8–11

6802

4601

11,403

2.4%

12–15

11,812

10,709

22,521

4.6%

16–19

11,295

14,453

25,748

5.3%

20–29

26,063

43,281

69,344

14.3%

30–39

31,138

55,671

86,809

17.9%

40–49

34,414

57,942

92,356

19.0%

50–59

32,988

46,563

79,551

16.4%

60–69

24,149

28,620

52,769

10.9%

70–79

13,499

15,280

28,779

5.9%

80–89

4120

4998

9118

1.9%

> = 90

482

719

1201

0.2%

Total

200,347

285,667

486,014

100%