Table 4. Maternal and infant characteristics according to immunoprophylaxis failure.
| Women characteristics | Infant immunoprophylaxis success | Infant immunoprophylaxis failure | p-value |
|---|---|---|---|
| No. of women and infants with data available | 105 a | 15 a | |
| Age—years—Median (IQR) | 28 (25 to 30) | 27 (24 to 32) | 0.84 |
| Parity b —Median (IQR) | 2 (1 to 3) | 2 (1 to 2) | 0.17 |
| Mode of delivery—no. (%) | |||
| Vaginal | 83 (79) | 13 (87) | 0.73 |
| Cesarean | 22 (21) | 2 (13) | |
| Complications at delivery—no. (%) | 7 (7) | 2 (13) | 0.31 |
| Having family members infected with HBV—no. (%) | 34 (32) | 4 (27) | 0.80 |
| History of abortion—no. (%) | 45 (43) | 7 (47) | 0.79 |
| HBV DNA load—Median (IQR) | 4.60 (3.30 to 7.99) | 7.30 (4.90 to 8.80) | 0.03 |
| >5.3 log10 IU/mL—no. (%) | 43 (41) | 10 (67) | 0.09 |
| Positive HBeAg status—no. (%) | 43 (41) | 8 (53) | 0.41 |
| Infants characteristics | |||
| Female sex—no. (%) | 55 (52) | 7 (47) | 0.78 |
| Median (IQR) Weight at birth—grams | 3200 (3000 to 3500) | 3000 (2800 to 3300) | 0.18 |
| Time from birth to HBV vaccine—hours (data available for 112 infants) Median (IQR) | 99 | 13 | |
| Median (IQR) | 5 (2 to 13) | 12 (6 to 18) | 0.03 |
| >12 hours—no. (%) | 26 (26) | 6 (46) | 0.19 |
| >12 hours or no records—no. (%) | 32/105 (30) | 8/15 (53) | 0.09 |
a Except otherwise specified
b Current pregnancy included.