Table 2 Multivariate logistic regression analysis for ECMO/death outcome for the entire study cohort and for the individual treatment groups
Variable | Odds ratio (95% CI) for ECMO/death | P-value |
|---|---|---|
Entire cohort | ||
 Oxygenation index <20 | 0.52 (0.27–0.97) | 0.04 |
 Surfactant use | 0.47 (0.24–0.91) | 0.03 |
Lung diseases relative to primary pulmonary hypertension | ||
 RDS | 0.22 (0.05–0.75) | 0.03 |
 Perinatal aspiration | 0.84 (0.41–1.75) | 0.63 |
 Pneumonia/sepsis | 0.49 (0.16–1.37) | 0.20 |
Control group | ||
 Surfactant use | 0.27 (0.10–0.72) | 0.01 |
Early iNO group | ||
 iNO at OI <20 relative to iNO at OI 20–25 | 0.25 (0.08–0.67) | 0.01 |
