Logistic regression analysis for severe COVID-19 in pregnant women
| Variable | Adjusted OR | 95% CI | P value | |
| Maternal age≥32 years | 2.40 | 1.33 | 4.31 | 0.004 |
| Gestational age at diagnosis≥24 weeks | 6.68 | 2.79 | 16.00 | <0.0001 |
| Diabetes | 3.51 | 0.62 | 19.89 | 0.16 |
| Chronic hypertension | 5.78 | 0.81 | 41.21 | 0.08 |
| Body mass index>25 | 1.80 | 0.60 | 5.37 | 0.29 |
| Asthma | 2.53 | 0.83 | 7.73 | 0.10 |