Table 2.
Thyroid-related hormone by anti-thyroid peroxidase antibody (TPO-Ab)
| Anti-thyroid peroxidase antibody (TPO-Ab) | p | ||
|---|---|---|---|
| − | + | ||
| Total | |||
| No. of participants | 1165 | 267 | |
| TSH, μIU/mL | 1.53 [1.09, 2.20]*1 | 1.80 [1.20, 2.66]*1 | < 0.001*2 |
| Free T3, pg/mL | 3.2 ± 0.3 | 3.2 ± 0.3 | 0.990 |
| Free T4, ng/dL | 1.2 ± 0.2 | 1.3 ± 0.2 | 0.395 |
| Men | |||
| No. of participants | 441 | 91 | |
| TSH, μIU/mL | 1.49 [1.06, 2.05]*1 | 1.75 [1.16, 2.60]*1 | 0.026*2 |
| Free T3, pg/mL | 3.3 ± 0.3 | 3.3 ± 0.3 | 0.997 |
| Free T4, ng/dL | 1.3 ± 0.2 | 1.3 ± 0.2 | 0.912 |
| Women | |||
| No. of participants | 724 | 176 | |
| TSH, μIU/mL | 1.57 [1.11, 2.28]*1 | 1.88 [1.25, 2.74]*1 | 0.005*2 |
| Free T3, pg/mL | 3.1 ± 0.3 | 3.1 ± 0.3 | 0.657 |
| Free T4, ng/dL | 1.2 ± 0.1 | 1.2 ± 0.1 | 0.148 |
TSH thyroid-stimulating hormone, free T3 free triiodothyronine, free T4 free thyroxine
Values are mean ± standard deviation
*1Values are median [the first quartile, third quartile]. *2Logarithmic transformation was used for evaluating p