Table 2.
Maternal descriptive analysis.
| Total n = 165 | Symptomatic n = 19 | Asymptomatic n = 146 | p< | ||
|---|---|---|---|---|---|
| Age (median, IQR) | 30 (19–44) | 33 (29–35) | 30 (26–35) | 0.2 | |
| Nationality | Italy | 141 (85.5%) | 16 (11.3%) | 125 (88.7%) | 0.9 |
| Other | 24 (14.5%) | 3 (12.5%) | 21 (87.5%) | ||
| BMI (mean, SD) | 29.4 (5.4) | 33.9 (6.9) | 28.9 (4.9) | 0.001 | |
| Previous respiratory pathologies | 4 (2.4%) | 1 (25%) | 3 (75%) | 0.37 | |
| Previous autoimmunitary pathologies | 13 (7.9%) | 3 (23.1%) | 10 (76.9%) | 0.15 | |
| Previous hematological pathologies | 10 (6.1%) | 2 (20%) | 8 (80%) | 0.35 | |
| Smoke | yes | 17 (10.3%) | 1 (5.9%) | 16 (94.1%) | 0.815 |
| not | 76 (46.1%) | 10 (13.2%) | 66 (86.8%) | ||
| Pregnancy outcome | Caesarean section | 65 (39.4%) | 9 (13.8%) | 56 (86.2%) | <0.001 |
| Spontaneous delivery | 67 (40.6%) | 0 (0%) | 67 (100%) | ||
| Operative delivery | 2 (1.2%) | 0 (0%) | 2 (100%) | ||
| Evolving pregnancy | 15 (9.1%) | 9 (60%) | 6 (40%) | ||
| Miscarriage | 10 (6.1%) | 0 (0%) | 10 (100%) | ||
| Ectopic pregnancy | 2 (2.1%) | 0 (0%) | 2 (100%) | ||
| Preterm birth | not | 104 (63.0%) | 5 (4.8%) | 99 (95.2%) | 0.014 |
| yes | 26 (15.7%) | 5 (19.2%) | 21 (80.8%) | ||
| Weeks to delivery, mean (SD) | 36.5 (7.7) | 37.1 (7.7) | 36.4 (8.0) | 0.8 | |
| Complications during hospitalization | none | 142 (86.6) | 11 (7.7%) | 131 (92.3%) | <0.001 |
| Post-partum hemorrhage | 5 (3%) | 0 (0%) | 5 (100%) | ||
| Pulmonary embolism | 2 (1.2%) | 1 (50%) | 1 (50%) | ||
| Deep vein thrombosis | 1 (0.6%) | 0 (0%) | 1 (100%) | ||
| Infections | 2 (1.2%) | 1 (50%) | 1 (50%) | ||
| Hypertension in the puerperium | 1 (0.6%) | 0 (0%) | 1 (100%) | ||
| Metrorrhagia in the puerperium | 2 (1.2%) | 0 (0%) | 2 (100%) | ||
| Anemia | 1 (0.6%) | 0 (0%) | 1 (100%) | ||
| other | 8 (4.9%) | 5 (62.5%) | 3 (37.5%) |
Missing data: age = 3, BMI = 38, previous pathologies = 2, smoke = 72, pregnancy outcome = 3, preterm birth= 35, complications during hospitalization = 1.