Table 2 Participant characteristics compared across syphilis-seropositive pregnant women with and without adverse pregnancy outcomes in Guangzhou, China, 2014–2016
Variables | All women N | Women without adverse outcomes N (%) | Women with adverse outcomes N (%) | χ2 | p |
|---|---|---|---|---|---|
Age (Mean, SD, years) | 30.2 ± 5.9 | 30.5 (5.8) | 29.1 (6.4) | 3.340a | < 0.001 |
Household registration | |||||
Local | 348 | 284 (81.6) | 64 (18.4) | 1.413 | 0.235 |
Migrant | 839 | 659 (78.6) | 180 (21.5) | ||
Marital status | |||||
First marriage | 944 | 775 (82.1) | 169 (17.9) | 26.466 | < 0.001 |
Unmarried | 136 | 86 (63.2) | 50 (36.8) | ||
Others | 107 | 82 (76.6) | 25 (23.4) | ||
Public hospital | |||||
Yes | 1016 | 831 (81.8) | 185 (18.2) | 0.055 | 0.815 |
No | 171 | 112 (65.5) | 59 (34.5) | ||
Hospital area | |||||
Urban | 383 | 308 (80.4) | 75 (19.6) | 8.481 | 0.014 |
Suburban | 417 | 313 (75.1) | 104 (24.9) | ||
Rural | 387 | 322 (83.2) | 65 (16.8) | ||
Time of syphilis diagnosis | |||||
< 28 weeks of gestation | 785 | 655 (83.4) | 130 (16.6) | 22.659 | < 0.001 |
≥ 28 weeks of gestation | 402 | 288 (71.6) | 114 (28.4) | ||
Syphilis infection stage | |||||
Latent | 958 | 755 (78.8) | 203 (21.2) | 1.375 | 0.503 |
Stage I-II | 72 | 58 (80.6) | 14 (19.4) | ||
Unknown | 157 | 130 (82.8) | 27 (17.2) | ||
Non-treponemal serum test titer | |||||
≤ 1:8 | 1016 | 831 (81.8) | 185 (18.2) | 23.796 | < 0.001 |
>1:8 | 171 | 112 (65.5) | 59 (34.5) | ||
Treatment status | |||||
No treatment | 287 | 190 (66.2) | 97 (33.8) | 40.863 | < 0.001 |
Penicillin treatment < 28 weeks gestation | 682 | 573 (84) | 109 (16) | ||
Penicillin treatment ≥28 weeks gestation | 200 | 165 (82.5) | 35 (17.5) | ||
Non-penicillin treatment | 18 | 15 (83.3) | 3 (16.7) | ||