Table 1
Time to closure of ductus venosus in infants heavier and lighter than the median body weight for each gestational age group
| Heavier | Lighter | |
| Group I | 6.0 (2.5) | 6.4 (3.1) |
| Group II | 5.7 (2.0) | 6.3 (2.3) |
| Group III | 4.2 (2.4) | 4.2 (1.7) |
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Values are expressed as days after birth and are means (SD).
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Group I, 30–33 weeks gestational age (n = 29); group II, 34–37 weeks gestational age (n = 33); group III, gestational age ⩾ 37 weeks (n = 36).
