TABLE 4

Multivariate Analysis of ELGANs in the PD Group Versus the Low Fio2 Group

CharacteristicOdds Ratio (95% Confidence Interval)P
Gestational age, wk
    232.5 (0.5–12).25
    243.6 (1.8–7.3)≤.0005
    252.4 (1.4–4.0).001
    261.5 (1.0–2.3).04
    271.0
Birth weight z score
    Less than −12.8 (1.7–4.9)≤.0005
    −1 to 01.7 (1.2–2.5).003
    ≥01.0
Mechanical ventilation, conventional or high frequency, on postnatal day 73.2 (2.4–4.8)≤.0005
PDA diagnosis1.4 (0.98–2.0).07