2.4 < TSH ≤ 3.1

7 (6,9)

75.09

4(3,6)

68.86

5.29

48.82

27.71

32.94

3.1 < TSH ≤ 3.8

7 (6,9)

72.21

4(3,6)

67.76

8.33

50.00

20.00

36.67

3.8 < TSH ≤ 4.5

8 (6,11)

74.79

6(4,8)

66.85

22.22

48.15

23.08

37.04

H/X2

10.377

7.730

9.49

4.178

14.188

7.529

9.099

2.674

P

0.065

0.172

0.091

0.524

0.010

0.184

0.098

0.750