Table 1.
Maternal risk factors and perinatal data in 403 mother-infant couples according to presence of hepatitis C virus RNA in mothers
| Maternal risk factor | RNA positive (n=275)
|
RNA negative (n=128)
|
|||
|---|---|---|---|---|---|
| No (%) of women | 95% CI (%) | No (%) of women | 95% CI (%) | ||
| Intravenous drug use | 111 (80) | 73 to 86 | 28 (20) | 14 to 27 | |
| Post-transfusional hepatitis | 20 (63) | 46 to 79 | 12 (37) | 21 to 54 | |
| No known risk factors | 144 (62) | 56 to 68 | 88 (38) | 32 to 44 | |
| Delivery: | |||||
| Vaginal | 213 (68) | 63 to 73 | 101 (32) | 27 to 37 | |
| Caesarean | 62 (70) | 60 to 79 | 27 (30) | 21 to 40 | |
| Feeding: | |||||
| Breast | 87 (64) | 57 to 71 | 49 (36) | 28 to 44 | |
| Formula | 188 (70) | 65 to 75 | 79 (30) | 24 to 35 | |