Table 3 Distributions of male athletes in three sports by maturity status defined by the same indicators as in the present study

 Tennis (9.88–15.95 years, n = 40)

n

4

27

9

%

10

67

23

 American football (9.27–14.24 years, n = 143)

n

15

52

76

%

11

36

53

 Soccer (10.98–15.25 years, n = 180)

n

21

100

59

%

12

56

33

 Tennis

n

1

35

4

%

2

88

10

 American football

n

6

91

46

%

4

64

32

 Soccer

n

5

131

44

%

3

73

24

 Tennis

n

2

38

0

%

5

95

0

 Soccer

n

15

161

4

%

8

89

2