Table 2 Thyroid-related hormone by anti-thyroid peroxidase antibody (TPO-Ab)
| Â | 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 |