Number of infants with positive PIVKA II (⩾ 0.1 AU/ml)
| Oral | Intramuscular | |
|---|---|---|
| Cord blood | 35 (44%) | 40 (52%) |
| 14 days | 1 | 1 |
| 30 days | 0 | 0 |
| 56 days | 0 | 3 |
One infant in the intramuscular group was positive at both 14 and 56 days. Cord blood values ranged from < 0.1 to 66 AU/ml.