[Retracted] Analysis of Adverse Pregnancy Outcomes of Pregnant Women with Syphilis and Maternal-Infant Serological Association in Changzhou, China, 2015–2019

Table 4

Unconditional multivariate logistic regression model analysis of adverse pregnancy outcomes in pregnant women without treatment for syphilis.

Factors		SE	Wald		OR (95% CI)
Marital status
First marriage	—	—	—	—	1.000
The other	0.873	0.425	4.224	0.040	2.395 (1.041, 5.508)
Titers of first antenatal visit
<8	—	—	—	—	1.000
>=8	1.272	0.497	6.560	0.010	3.568 (1.348, 9.442)
Constant	-0.745	0.183	16.606	<0.001	0.475