Table 3.
Predictors of development of moderate-to-severe bronchopulmonary dysplasia: results of the established model.
| Predictors | Univariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|---|
| Unadjusted OR | 95% CI | p value | Adjusted OR | 95% CI | p value | |
| The initial model | ||||||
| CO-Hb | 1166.90 | 4.00–342463.50 | 0.015 | 145.10 | 0.30–70726.30 | 0.115 |
| Gestational age | 0.56 | 0.32–0.98 | 0.041 | 1.18 | 0.51–2.75 | 0.696 |
| Birth weight | 1.00 | 0.99–1.00 | 0.042 | 1.00 | 0.99–1.00 | 0.487 |
| Apgar score (5 min) | 0.59 | 0.37–0.95 | 0.029 | 0.69 | 0.37–1.30 | 0.254 |
| The final model | ||||||
| CO-Hb | 1166.90 | 4.00–342463.50 | 0.015 | |||
CO-Hb: carboxyhemoglobin, OR: odds ratio, and CI: confidence interval.