Mean value | SD | Range | |
---|---|---|---|
Gestational age | 26 weeks 5 days | ±1 week 6 days | 24 weeks 3 days– 31 weeks 4 days |
Days of life at study entry | 33 days | ±23 days | 2–76 days |
Birth weight | 897 g | ±259 g | 600–1600 g |
Weight at study entry | 1310 g | ±373 g | 830–2325 g |
Days on nCPAP before study entry | 7.6 days | ±7.8 days | 1–37 days |
For all infants, the date of birth was considered day of life 1.
nCPAP, nasal continuous positive airways pressure.