AGE

(month)

Number of samples

−3SD

−2SD

−1SD

Median

1SD

2SD

3SD

Fitted value

Difference

Fitted value

Difference

Fitted value

Difference

Fitted value

Difference

Fitted value

Difference

Fitted value

Difference

Fitted value

Difference

0

14,350

42.63

2.07

45.17

1.23

47.01

0.99

48.57

1.13

50.12

1.28

51.93

1.27

54.38

0.62

3

24,071

52.15

2.05

55.2

1.1

57.41

0.99

59.29

1.31

61.15

1.65

63.32

1.78

66.27

1.23

9

15,018

61.44

2.26

64.97

1.13

67.53

0.97

69.7

1.3

71.85

1.75

74.37

1.83

77.78

1.12

12

11,950

64.75

2.45

68.5

1.2

71.22

1.08

73.52

1.48

75.81

1.89

78.48

2.02

82.1

1.3

15

8407

67.7

2.5

71.7

1.2

74.59

1.01

77.04

1.46

79.48

1.92

82.32

1.98

86.18

1.22

18

6378

70.29

2.51

74.55

1.05

77.64

0.86

80.24

1.26

82.84

1.76

85.87

1.83

89.98

1.02

21

4313

72.69

2.41

77.23

0.87

80.52

0.68

83.3

1.1

86.06

1.64

89.28

1.82

93.66

0.84