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. 2023 Nov 17;14:1285504. doi: 10.3389/fendo.2023.1285504

Table 2.

The baseline data of pregnant women with positive-TPOAb and those with negative-TPOAb.

Variables TPOAb-negative
(n = 6700)
TPOAb-positive
(n = 346)
P
age (years), median (IQR) 26.0 (24.0-29.0) 27.0 (25.0-30.0) 0.027
gestational week of blood collection, median (IQR) 31.9 (17.6-38.7) 26.5 (13.7-38.4) 0.001
gestational week at delivery, median (IQR) 39.6(38.7-40.3) 39.6(38.7-40.3) 0.819
menopausal history, N (%) 0.472
 No 5598 (83.6) 284 (82.1)
 Yes 1102 (16.4) 62 (17.9)
education level, N (%) 0.122
 Compulsory school 2816 (42.0) 160 (46.2)
 Upper secondary school 3884 (58.0) 186 (53.8)
gestational diabetes, N (%) 0.673
 No 6417 (95.8) 333 (96.2)
 Yes 283 (4.2) 13 (3.8)
gestational hypertension, N (%) 0.441
 No 6586 (98.3) 342 (98.8)
 Yes 114 (1.7) 4 (1.2)
TGAb, N (%) <0.001
 No 6558 (97.9) 214 (61.8)
 Yes 142 (2.1) 132 (38.2)
TSH (mIU/L), median (IQR) 1.72 (1.18-2.50) 1.94 (1.27-2.60) 0.029
FT4 (ng/L), median (IQR) 7.01 (6.27-7.83) 7.04 (6.28-7.82) 0.533

IQR, interquartile range; TPOAb, anti-thyroid peroxidase antibodies; TGAb, anti-thyroglobulin antibodies; TSH, thyroid-stimulating hormone; FT4, free thyroxine.