Age (yr)

(<1)

(1 - 10)

(11 - 20)

(21 - 30)

(31 - 40)

(41 - 50)

(51 - 60)

(61 - 70)

(71 - 80)

(81 - 100)

TSH (mIU/L)

Mean

2.58

2.30

2.11

2.34

2.50

2.29

2.35

2.31

2.12

2.55

SD

0.91

0.89

1.00

0.94

0.92

0.95

1.07

1.21

0.88

1.32

FT4 (pmol/L)

Mean

19.87

16.73

13.99

13.49

13.76

13.98

14.50

14.58

16.75

17.90

SD

5.63

2.82

2.74

2.13

2.49

2.42

2.65

2.49

3.84

4.15

FT3 (pmol/L)

Mean

5.59

5.65*

5.62

5.46

5.32

5.33

5.40

5.04

5.19

5.64

SD

1.13

0.95

0.80

0.81

0.80

0.76

0.81

0.68

0.83

0.94

N

11

39

162

511

408

332

175

72

31

7