Table 1 Characteristic of subjects
Total (N = 2849) | TPO Ab negativity (N = 2614) | TPO Ab positivity (N = 235) | P | |
|---|---|---|---|---|
Age, years | 30.0 ± 4.94 | 29.9 ± 4.93 | 30.8 ± 4.97 | 0.007 |
BMI,kg/cm2 | 21.2 ± 3.01 | 21.2 ± 2.99 | 21.6 ± 3.11 | 0.028 |
Gestational weeks | ||||
BMI | 12.3 ± 2.40 | 12.3 ± 2.40 | 12.5 ± 2.41 | 0.289 |
FT4 | 15.9 ± 6.90 | 16.0 ± 6.90 | 15.9 ± 6.98 | 0.925 |
TSH & TPOAb | 17.1 ± 3.59 | 17.1 ± 3.58 | 16.9 ± 3.74 | 0.514 |
Thyroid fuction | ||||
FT4, pmol/L | 14.3 (12.9, 15.8) | 14.4 (13.0, 15.9) | 14.1 (12.8, 15.8) | 0.374 |
TSH, mIU/L | 1.43 (0.93, 2.02) | 1.41 (0.92, 1.98) | 1.66 (0.99, 2.49) | < 0.001 |
TPOAb, IU/mL | 12.8 (9.46, 18.5) | 12.2 (9.22, 16.5) | 96.4 (50.3, 204) | < 0.001 |
Parity | 0.002 | |||
1 | 1767 (62.0) | 1644 (62.9) | 123 (52.3) | |
≥ 2 | 1082 (38.0) | 970 (37.1) | 112 (47.7) | |
Gestational diabetes mellitus, N (%) | 1.000 | |||
Yes | 381 (13.4) | 350 (13.4) | 31 (13.2) | |
No | 2468 (86.6) | 2264 (86.6) | 204 (86.8) | |