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

Table 8

Comparison of results features with or without treatment of pregnant women with syphilis with fixed serological titers during pregnancy.

	No treatment	One course	Two courses
Months when specific antibody turns negative				10.96	0.36
3	3 (7.89)	2 (11.11)	9 (30.00)	—	—
6	11 (28.95)	5 (27.78)	7 (23.33)	—	—
9	7 (18.42)	1 (5.56)	5 (16.67)	—	—
12	8 (21.05)	5 (27.78)	4 (13.33)	—	—
15	5 (13.16)	1 (5.56)	2 (6.67)	—	—
18	4 (10.53)	4 (22.22)	3 (10.00)	—	—
Months to exclude syphilis infection				14.76	0.14
3	3 (6.00)	2 (10.53)	9 (28.13)	—	—
6	25 (50.00)	6 (31.58)	10 (31.25)	—	—
9	7 (14.00)	1 (5.26)	5 (15.63)	—	—
12	8 (16.00)	5 (26.32)	3 (9.37)	—	—
15	3 (6.00)	1 (5.26)	2 (6.25)	—	—
18	4 (8.00)	4 (21.05)	3 (9.37)	—	—

Note: The serologically fixed pregnant women are those whose first titer and pre-delivery titer remain unchanged, and both are less than 1 : 8. The results are represented by (%), and the comparison of differences between groups is analyzed by chi-square test.