表 4.

单纯TPOAb阳性与不同孕周BPD的Z评分的关联分析

Association of maternal isolated TPOAb positive with BPD Z-score at different gestational weeks

Items	Adjust model 1			Adjusted model 2
	β (95%CI)	P value		β (95%CI)	P value
The adjusted model 1 was adjusted for maternal age, maternal educational level, current employment status, parity, pre-pregnancy body mass index (BMI) and gestational age of thyroid function testing. The adjusted model 2 was additionally adjusted for thyroid stimulating hormone (TSH) and free thyroxine (FT4) levels. TPOAb, thyroid peroxidase antibody; BPD, biparietal diameter.
21-25 weeks	0.049 (-0.001, 0.100)	0.056		0.052 (0.001, 0.103)	0.044
29-32 weeks	0.049 (-0.002, 0.100)	0.060		0.055 (0.004, 0.107)	0.035
36-40 weeks	0.066 (0.010, 0.123)	0.022		0.068 (0.011, 0.125)	0.020