Research Article

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

Table 6

Comparison of results features of one course of treatment at different stages of pregnancy.

First trimesterSecond trimesterThird trimester

Titer changes0.06
 -50 (0)0 (0)0 (0)
 -40 (0)1 (0.91)0 (0)
 -30 (0)1 (0.91)0 (0)
 -22 (2.67)3 (2.73)1 (1.27)
 -18 (10.67)9 (8.18)6 (7.59)
 037 (49.33)46 (41.82)54 (68.35)
 117 (22.67)31 (28.18)12 (15.19)
 25 (6.67)12 (10.91)4 (5.06)
 32 (2.67)6 (5.45)1 (1.27)
 44 (5.33)0 (0)1 (1.27)
 50 (0)1 (0.91)0 (0)
Months when specific antibody turns negative17.200.14
 312 (29.27)12 (24.49)3 (18.75)
 610 (24.39)9 (18.37)2 (12.50)
 96 (14.63)6 (12.24)1 (6.25)
 128 (19.51)5 (10.20)5 (31.25)
 152 (4.88)9 (18.37)0 (0)
 183 (7.32)7 (14.29)5 (31.25)
 210 (0)1 (2.04)0 (0)
Months to exclude syphilis infection17.420.13
 312 (23.53)12 (20.34)3 (14.29)
 620 (39.22)22 (37.29)7 (33.33)
 96 (11.76)6 (10.17)1 (4.76)
 128 (15.69)3 (5.08)5 (23.81)
 152 (3.92)8 (13.56)0 (0)
 183 (5.88)7 (11.86)5 (23.81)
 210 (0)1 (1.69)0 (0)

Note: The results are represented by (%), and the comparison of differences between groups is analyzed by chi-square test. The titer change is the logarithm to the base 2, subtracting that before delivery from that in first test. Comparison of titer changes is analyzed by fisher test.