Table 1 Comparison of baseline characteristics, urinary iodine concentration, and prevalence of anti-thyroid peroxidase antibody and anti-thyroid globulin antibody between the euthyroidism and subclinical hypothyroidism groups
Group | n | Mean age | Mean number of gestational weeks | Median TSH (μIU/mL) | Median FT4 (pmol/L) | Median FT3 (pmol/L) | Median UIC (μg/L) | Median UIC/UCr (μg/g) | Prevalence of TPOAb (%) | Prevalence of TGAb (%) |
|---|---|---|---|---|---|---|---|---|---|---|
Euthyroidism | 104 | 28.0 ± 3.0 | 10.1 ± 2.3 | 2.22 (1.44–2.82) | 15.03 (13.76–16.67) | 4.83 (4.45–5.13) | 150.1 (103.5–187.5) | 131.7 (82.8–183.9) | 56.7% | 40.4% |
Subclinical hypothyroidism | 115 | 28.6 ± 3.2 | 10.2 ± 2.0 | 5.81 (4.70–7.67) | 14.30 (12.93–15.36) | 4.61 (4.37–5.03) | 154.0 (93.1–243.1) | 140.7 (98.1–226.4) | 79.1% | 69.6% |
P | Â | 0.161 | 0.160 | 0.000 | 0.002 | 0.074 | 0.231 | 0.143 | 0.000 | 0.000 |