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Table 1 Age- and sex-distribution of hair sample donors

From: Age- and sex-dependence of five major elements in the development of human scalp hair

Age range (years)

Number of subjects (N)

Percent (%)

Female

Male

Total

0–4

14

14

28

8.70

5–9

11

28

39

12.11

10–14

15

17

32

9.94

15–19

7

9

16

4.97

20–29

21

8

29

9.01

30–39

24

10

34

10.56

40–49

35

16

51

15.84

50–59

19

9

28

8.70

60–69

7

9

16

4.97

70–79

11

17

28

8.70

> 80

16

5

21

6.52

Total

180

142

322

100.00