TABLE 4. Multiple Regression for preterm ≤32 6/7 weeks intubated day-of-life 1, extubation failure.

	Odds ratio	95% CI	p
Model 1 (11/84 events)
Group (1 vs. 2)	10.71	1.13–101.23	0.04
Gestational age (1 week)	0.53	0.35–0.80	0.002
Model 2 (11/84 events)
Group (1 vs. 2)	13.83	1.41–135.91	0.02
Birth weight (1 kg)	0.004	<0.001–0.18	0.004

Note: Adjusted for sex, fractional inspiratory oxygen prior to extubation, and gestational age (model 1) or birth weight (model 2).