Table 2 Comparison of pregnancy-related risk factors
From: Cross sectional study in China: fetal gender has adverse perinatal outcomes in mainland China
| Â | Male infants (n = 60028) | Female infants (n = 49694) | Ratio | P |
|---|---|---|---|---|
n (%) | n (%) | |||
GDM | 2778 (4.6%) | 2254 (4.5%) | 1.23 | 0.47 |
DM | 67 (1.1‰) | 65 (1.3‰) | 1.03 | 0.36 |
HDCP | 2593 (4.3%) | 2217 (4.5%) | 1.17 | 0.25 |
Preeclampsia, eclampsia | 1777 (3.0%) | 1549 (3.1%) | 1.15 | 0.13 |
PROM | 9096 (15.2%) | 7509 (15.1%) | 1.21 | 0.85 |
Placenta previa | 742 (1.2%) | 586 (1.2%) | 1.27 | 0.39 |
Placenta abruption | 311 (0.5%) | 264 (0.5%) | 1.18 | 0.76 |
Oligohydramnios | 2286 (3.8%) | 1891 (3.8%) | 1.21 | 0.98 |
FGR | 3190 (5.4%) | 3918 (8.0%) | 0.81 | <0.001 |
Malpresentation | 2134 (3.6%) | 2145 (4.3%) | 0.99 | <0.001 |
NRFHT | 4944 (8.2%) | 4139 (8.3%) | 1.19 | 0.58 |