Table 1. Maternal, obstetric and neonatal characteristics according to SARS-CoV-2 serological status for women admitted for delivery.
| IgG-negative | IgG-positive | p | |
|---|---|---|---|
| n = 229 | n = 20 | ||
| Age, years, median [IQR] | 33 [29–36] | 31 [30.5–37] | 0.88 |
| Nullipara, n (%) | 106 (46.3) | 12 (60) | 0.25 |
| BMI, kg/m2, median [IQR] | 23 [21–27] | 25,5 [23–28.2] | 0.07 |
| History of preexisting: | |||
| - Diabetes mellitus, n (%) | 2 (0.9) | 0 (0) | 1 |
| - Chronic hypertension, n (%) | 6 (2.6) | 0 (0) | 1 |
| - Tobacco use, n (%) | 44 (19.2) | 2 (10.6) | 0.54 |
| - Asthma, n (%) | 13 (5.7) | 0 (0) | 0.6 |
| Gestational age at delivery, week median [IQR] | 39.6 [38.2–40.7] | 39.7 [38.2–40.3] | 0.50 |
| Delivery before 37 WG, n (%) | 26 (11.4) | 4 (21.1) | 0.26 |
| Birthweight, g median [IQR] | 3241 [2829–3585] | 3213 [2853–3471] | 0.62 |
| Infected neonates, n (%) | 0 (0) | 0 (0) |