Table 4.
Descriptive statistic including median values, 25 and 75 percentiles of measured blood Ni concentration, serum levels of thyroid hormone and calculated parameters of thyroid function.
| Parameter | Ni (µg/L) | TSH (µIU/ml) | fT4 (pmol/L) | fT3 (pmol/L) | T4 (nmol/L) | T3 (nmol/L) | SPINA-GD (nmol/s) | SPINA-GT (pmol/s) | |
|---|---|---|---|---|---|---|---|---|---|
| Men | 25% Percentile | 2,902 | 1,020 | 15,37 | 4,295 | 101,4 | 1,630 | 2,559 | 22,93 |
| Median | 8,278 | 1,870 | 16,84 | 4,760 | 116,5 | 1,950 | 3,286 | 26,30 | |
| 75% Percentile | 14,20 | 2,700 | 19,09 | 5,290 | 132,8 | 2,180 | 4,932 | 29,44 | |
| Women | 25% Percentile | 1,771 | 1,105 | 5,718 | 4,173 | 94,66 | 1,658 | 1,238 | 24,47 |
| Median | 7,609 | 1,790 | 15,63 | 4,910 | 109,7 | 1,955 | 2,783 | 29,18 | |
| 75% Percentile | 15,70 | 2,530 | 18,46 | 5,623 | 125,0 | 2,203 | 4,225 | 59,08 | |
| Entire population | 25% Percentile | 2,428 | 1,083 | 14,24 | 4,245 | 97,97 | 1,640 | 2,158 | 23,70 |
| Median | 8,054 | 1,810 | 16,54 | 4,830 | 113,2 | 1,950 | 3,064 | 26,98 | |
| 75% Percentile | 15,46 | 2,628 | 18,77 | 5,440 | 129,9 | 2,183 | 4,551 | 32,09 |