Table 2.
Serum levels of f-T3, f-T4, and TSH observed in the whole group of DTC subjects and in controls.
| DTC subjects | Control subjects | Significance | |
| f-T3 (pmol/L) | 4.4 ± 0.1 | 4.2 ± 0.1 | P = 0.02 |
| Median | 4.5 | 4.1 | |
| 25th percentile | 3.8 | 3.8 | |
| 75th 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 | |
| 25th percentile | 18.1 | 14.5 | |
| 75th percentile | 22.8 | 18.8 | |
| TSH (mIU/L) | 1.95 ± 0.86 | 2.94 ± 0.59 | P < 0.0001 |
| Median | 0.16 | 1.30 | |
| 25th percentile | 0.05 | 0.75 | |
| 75th percentile | 0.60 | 2.47 |
Data are reported as mean ± SEM and also as median, 25th percentile and 75th percentile.