Table 2 Serum levels of f-T3, f-T4, and TSH observed in the whole group of DTC subjects and in controls.

f-T3 (pmol/L)

4.4 ± 0.1

4.2 ± 0.1

P = 0.02

   Median

4.5

4.1

   25^th percentile

3.8

3.8

   75^th percentile

5.1

4.7

f-T4 (pmol/L)

20.1 ± 0.5

17.1. ± 0.5

P < 0.0001

   Median

20.5

17.1

   25^th percentile

18.1

14.5

   75^th percentile

22.8

18.8

TSH (mIU/L)

1.95 ± 0.86

2.94 ± 0.59

P < 0.0001

   Median

0.16

1.30

   25^th percentile

0.05

0.75

   75^th percentile

0.60

2.47