Table 2.
Maternal and neonatal complications in singleton and multiple pregnancies, n (%).
| Variables | Singletons (n = 14941) |
Multiple pregnancy (n = 253) |
χ2 | P-value |
|---|---|---|---|---|
| Anemia | 2272 (16.0) | 73 (31.5) | 40.023 | <0.001* |
| Preterm labor | 790 (5.3) | 136 (53.8) | 1021.172 | <0.001* |
| Hypertensive disorders | 625 (4.3) | 47 (19.0) | 122.708 | <0.001* |
| GDM | 2927 (19.6) | 60 (23.7) | 9.311 | 0.010* |
| Post-partum hemorrhage | 927 (6.2) | 43 (17) | 48.550 | <0.001* |
| PROM | 2907 (19.5) | 46 (18.2) | 1.301 | 0.520 |
| SGA | 738 (4.9) | 45 (17.8) | 92.602 | <0.001* |
| Low birth weight (<2500 g) | 525 (3.5) | 118 (46.6) | 1141.713 | <0.001* |
| NICU admission | 973 (6.5) | 92 (36.4) | 340.129 | <0.001* |
| Congenital malformations | 92 (0.6) | 2 (0.8) | 0.124 | 0.725 |
PROM: premature rupture of membranes; GDM: gestational diabetes mellitus; NICU: neonatal intensive care unit; SGA: small-for-gestational-age. *P < 0.05 is statistically significant.