Table 3.
Incidences of pregnancy outcomes and neonatal outcomes for the single parity group.
| Variables | Nulliparas (%) | Multiparas (%) | p |
|---|---|---|---|
| n | 12,002 | 3,859 | |
| Gestational hypertension | 487 (4.06) | 253 (6.56) | 0.00*** |
| Eclampsia/pre-eclampsia | 349 (2.91) | 188 (4.87) | 0.00*** |
| Gestational diabetes mellitus | 2,627 (21.89) | 1,006 (26.07) | 0.00*** |
| Intrahepatic cholestasis of pregnancy | 296 (2.47) | 78 (2.02) | 0.11 |
| Anemia | 176 (1.47) | 86 (2.23) | 0.00*** |
| Placenta previa | 133 (1.11) | 146 (3.78) | 0.00*** |
| Placental abruption | 128 (1.07) | 70 (1.81) | 0.00*** |
| Placental implantation | 114 (0.95) | 56 (1.45) | 0.01* |
| Premature rupture of membrane | 2,226 (18.55) | 418 (10.83) | 0.00*** |
| Postpartum hemorrhage | 452 (3.77) | 213 (5.52) | 0.00*** |
| Oligohydramnios | 946 (7.88) | 103 (2.67) | 0.00*** |
| Preterm birth | 1,340 (11.16) | 530 (13.73) | 0.00*** |
| Cesarean section | 6,056 (50.46) | 2,822 (73.13) | 0.00*** |
| Macrosomia | 393 (3.27) | 156 (4.04) | 0.02* |
| Fetal distress | 107 (0.89) | 13 (0.34) | 0.00*** |
| Transfer to neonatal unit | 1,688 (14.06) | 608 (15.76) | 0.00*** |
| Neonatal jaundice | 573 (4.77) | 205 (5.31) | 0.18 |
| Apgar score <7 within 5 min of birth | 182 (1.52) | 96 (2.49) | 0.00*** |
*p < 0.05, statistically difference, **p < 0.01, statistically significant difference, ***p < 0.001, highly statistically significant difference. A1: 20–24 years old women, A2: 25–29 years old women, A3: 30–34 years old women, AMA: 35–39 years old women, and vAMA: ≥40 years old women.