Characteristics of the study group
| Characteristics | |
|---|---|
| Gestational age (weeks+days*) | 33+5 (31–34+6) |
| Birth weight (g*) | 1900 (1127–2836) |
| Body weight, expected term (g*) | 3195 (2330–4540) |
| Males, n (% of all) | 29 (53) |
| SGA, n (% of all) | 19 (35) |
| Singletons (n) | 33 |
| Twins, n (pairs) | 16 (8) |
| Triplets, n (pairs) | 6 (2) |
| Apgar at 1 min† | 7.9 (1.6) |
| Apgar at 5 min† | 8.1 (1.0) |
| Caesarean section (n) | 36 |
| Surfactant therapy (n) | 3 |
| Volume expansion | 2 |
| Prenatal maternal steroids, n (% of total) | 39 (71) |
| PDA, n (days 1-2-3-expected term) | 46-22-9-2 |
PDA, persistent ductus arteriosus; SGA, small for gestational age.
*Values are median and range.
†Values are means±SD.