Carboxyhemoglobin Formation in Preterm Infants Is Related to the Subsequent Development of Bronchopulmonary Dysplasia

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	value	Adjusted OR	95% CI	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.