Table 1 General characteristic of infants and their mothers in different delivery modes and feeding patterns
Characteristic | Vaginal delivery + breastfed (n = 157) | ECS + breastfed (n = 127) | Vaginal delivery + bottle-fed (n = 91) | ECS + bottle-fed (n = 87) | Statistical Analysis | P |
|---|---|---|---|---|---|---|
Maternal HBV DNA, log10 IU/mL [median (min-max)] | 7.89 (5.44–9.16) | 7.70 (5.43–9.07)* | 7.84 (5.70–8.89) | 7.88 (5.59–9.13)* | Z = 3.407 | 0.333 |
Proportion of maternal HBeAg+ (%) | 152 (96.8) | 122 (96.1) | 90 (98.9) | 87 (100) | χ2  = 4.180 | 0.215 |
Gestational age, weeks (mean ± SD) | 39.3 ± 1.5 | 39.2 ± 1.3 | 39.3 ± 1.5 | 39.2 ± 1.4 | F = 0.478 | 0.698 |
Infant gender, male, n (%) | 85 (54.1) | 73 (57.5) | 49 (53.8) | 49 (56.3) | χ2  = 0.442 | 0.931 |
Birth length, cm (mean ± SD) | 49.9 ± 0.9 | 50.0 ± 0.7 | 50.1 ± 0.8 | 50.0 ± 0.9 | F = 1.609 | 0.186 |
Birth weight, g (mean ± SD) | 3331.1 ± 451.1 | 3413.9 ± 512.0 | 3348.6 ± 366.0 | 3436.6 ± 480.8 | F = 1.390 | 0.245 |
Apgar score (1 min) (mean ± SD) | 8.8 ± 0.6 | 8.8 ± 0.7 | 8.9 ± 0.4 | 8.9 ± 0.6 | F = 1.906 | 0.128 |
Infant follow-up age, months (mean ± SD) | 9.8 ± 2.6 | 9.7 ± 2.4 | 10.1 ± 2.1 | 10.2 ± 2.0 | F = 1.351 | 0.257 |