Table 2. Percentiles and cut-offs of T4 and TSH distribution.
Percentiles (%) | Cut-offs | Men (n = 2,995) | Women (n = 2,995) |
T4 (nmol/L) | |||
1. [0, 5) | [0,70.2) | 142 | 114 |
2. [5, 20) | [70.2, 89.6) | 490 | 359 |
3. [20, 40) | [89.6, 103.2) | 680 | 543 |
4. [40, 60) | [103.2, 114.7) | 605 | 628 |
5. [60, 80) | [114.7, 129.1) | 589 | 631 |
6. [80, 95) | [129.1, 150.9) | 389 | 509 |
7. ≥95 | ≥ 150.9 | 100 | 211 |
TSH (mU/L) | |||
1. [0, 5) | [0.1, 0.6) | 195 | 156 |
2. [5, 20) | [0.6, 1.0) | 445 | 384 |
3. [20, 40) | [1.0, 1.4) | 611 | 583 |
4. [40, 60) | [1.4, 1.8) | 640 | 622 |
5. [60, 80) | [1.8, 2.4) | 558 | 568 |
6. [80, 95) | [2.4, 3.6) | 435 | 518 |
7. ≥95 | [3.6, 4.5] | 111 | 164 |