Table 1.
Demographic and clinical characteristics of maternal and neonatal populations
| Characteristics | All | Bari | Varese | p value |
|---|---|---|---|---|
| SARS-CoV-2-positive mothers, n | 179 | 90 | 89 | |
| Cesarean section, n (%) | 50 (28) | 34 (38) | 16 (18) | 0.005 |
| COVID symptoms, n (%) | 27 (15) | 20 (23) | 7 (8) | 0.01 |
| Admission to ICU, n (%) | 4 (3) | 4 (4.5) | 0 (0) | 0.12 |
| Newborns, n | 181 | 92 | 89 | |
| GA, mean (SD), weeks | 39 (±2) | 39 (±1.6) | 39 (±2.4) | 0.422 |
| Preterm, n (%) | 20 (11) | 7 (8) | 13 (15) | 0.133 |
| Birth weight, m (SD), g | 3,161 (±521) | 3,237 (±443) | 3,083 (±584) | 0.046 |
| SGA/AGA/LGA | ||||
| SGA, n (%) | 17 (9) | 6 (7) | 11 (12) | 0.275 |
| AGA, n (%) | 155 (86) | 80 (87) | 75 (84) | |
| LGA, n (%) | 9 (5) | 6 (7) | 3 (3) | |
| Females, n (%) | 90 (50) | 53 (58) | 37 (42) | 0.031 |
| Apgar score at 1 min, median (Q1−Q3) | 9 (9–9) | 9 (9–9) | 9 (9–9) | 0.142 |
| Apgar score at 5 min, median (Q1−Q3) | 10 (9–10) | 10 (9–10) | 10 (10–10) | 0.26 |
| Negative NP-s RT-PCR at birth, n (%) | 176 (97) | 92 (100) | 84 (94) | 0.027 |
| Newborns tested at 1 month, n (%) | 156 (86) | 67 (73) | 89 (100) | <0.001 |
| Negative NP-s RT-PCR at 1 month, n (%) | 151 (97) | 66/67 (99) | 85/89 (96) | 0.39 |
| Breastfeeding during hospitalization, n (%) | 127 (70) | 44 (48) | 83 (93) | <0.001 |
| Breastfeeding at 1 month, n (%) | 137 (76) | 70 (76) | 67 (75) | 0.429 |
| Rooming-in, n (%) | 123 (68) | 44 (48) | 79 (89) | <0.001 |
GA, gestational age.