Risk Factors for Stillbirth among Pregnant Women Infected with Syphilis in the Zhejiang Province of China, 2010–2016

Table 2

Multiple logistic regression analysis on associations between gestational syphilis and stillbirth.

Variable		Crude OR (95% CI)	Adjusted OR (95% CI)	value
Syphilis stage	Latent	Ref	Ref	0.043
	Primary or secondary	2.94 (1.72, 5.01)	2.03 (1.17, 3.53)
Maternal titer >1 : 4		2.35 (1.69, 3.28)	1.78 (1.25, 2.53)	0.001
Completely treated		0.13 (0.08, 0.19)	0.16 (0.10, 0.25)	<0.001

Note. Missing information was not included; OR, odds ratio; CI, confidence interval. The bold values indicate statistical significance.