Demographictics characteristics of development cohort
| With [L] measurements N=381 (%) | Without [L] measurements N=27 (%) | p-Value | |
|---|---|---|---|
| Birth plurality | 120 (31.5) | 9 (33.3) | |
| Twins | 114 (30.0) | 8 (29.6) | |
| Triplets | 6 (1.5) | 1 (3.7) | |
| Male | 203 (53.3) | 15 (55.6) | |
| Caesarean section (unknown 51) | 209 (54.9) | 11 (40.7) | |
| Birth weight (g)* | 1076 (370–1500) | 1168 (400–1500) | |
| Gestational age (week)* (unknown 2) | 28 (23–37) | 30 (25–35) | |
| Apgar score ≤3 at 1 min | 44 (11.5) | 1 (3.7) | |
| Apgar score <7 at 5 min | 44 (11.5) | 2 (7.4) | |
| Apgar score at 1 min* | 6 (0–10) | 7 (1–9) | |
| Apgar score at 5 min* | 9 (0–10) | 9 (5–10) | |
| Antenatal steroids (unknown 51) | 240 (63.0) | 13 (48.1) | |
| Mechanical ventilation (unknown 37) | 261 (68.5) | 7 (25.9) | 0.000 |
| Days of vent/CPAP* | 3 (1–406) | 0 (1–108) | 0.001 |
| Death | 44 (11.5) | 3 (11.1) |
Results are numbers of infants (%).
↵* Median (range).
[L]=blood lactate concentration.
CPAP, continuous positive airway pressure.