Table 3.
Pregnancy outcomes of women with syphilis infection in China in 2013, by regiona.
| Characteristic | Total | Region | P value | ||
|---|---|---|---|---|---|
| Eastern | Central | Western | |||
| Gestational weeks at delivery (mean ± SD) | 39.2 ± 2.2 | 39.1 ± 2.3 | 39.2 ± 2.3 | 39.3 ± 2.1 | <0.001 |
| Mode of delivery | |||||
| Spontaneous VDb | 7900 (49.7%) | 3388 (51.2%) | 1473 (38.8%) | 3039 (55.6%) | <0.001 |
| Instrumental VDb | 351 (2.2%) | 107 (1.6%) | 102 (2.7%) | 142 (2.6%) | |
| Elective CSc | 4355 (27.4%) | 1821 (27.5%) | 1390 (36.6%) | 1144 (20.9%) | |
| Emergency CSc | 3005 (18.9%) | 1055 (15.9%) | 820 (21.6%) | 1130 (20.7%) | |
| Unknown | 273 (1.7%) | 248 (3.7%) | 13 (0.3%) | 12 (0.2%) | |
| Stillbirth/neonatal death | |||||
| Yes | 454 (2.9%) | 200 (3.0%) | 121 (3.2%) | 133 (2.4%) | 0.059 |
| No | 15430 (97.1%) | 6419 (97.0%) | 3677 (96.8%) | 5334 (97.6%) | |
| Preterm delivery/low birth weight | |||||
| Yes | 1665 (10.5%) | 728 (11.0%) | 408 (10.7%) | 529 (9.7%) | 0.051 |
| No | 14219 (89.5%) | 5891 (89.0%) | 3390 (89.3%) | 4938 (90.3%) | |
| Neonatal congenital syphilis | |||||
| Yes | 478 (3.0%) | 191 (2.9%) | 181 (4.8%) | 106 (1.9%) | <0.001 |
| No | 15406 (97.0%) | 6428 (97.1%) | 3617 (95.2%) | 5361 (98.1%) | |
| Any adverse pregnancy outcomes | |||||
| Yes | 2223 (14.0%) | 946 (14.3%) | 598 (15.7%) | 679 (12.4%) | <0.001 |
| No | 13661 (86.0%) | 5673 (85.7%) | 3200 (84.3%) | 4788 (87.6%) | |
aValues are given as number (percentage) or mean ± SD unless otherwise indicated; bVD refers to vaginal delivery; cSD refers to caesarean section.