TABLE 3.

Multivariable Logistic Regression Model^a for Survival With Intubation-to-Cannulation Quartiles

Variable (n = 443 Runs)	OR (95% CI)	p
pH (0.1 increase)	1.18 (1.05–1.31)	0.005
Pre-ECMO cardiac arrest: No		< 0.001
Intubation-to-cannulation quartiles
Quartile 1	Reference
Quartile 2	0.47 (0.09–2.56)	0.38
Quartile 3	0.14 (0.03–0.63)	0.011
Quartile 4	0.09 (0.02–0.40)	0.002
Pre-ECMO cardiac arrest: Yes		0.89
Intubation-to-cannulation quartiles
Quartile 1	Reference
Quartile 2	0.76 (0.37–1.55)	0.45
Quartile 3	0.94 (0.42–2.12)	0.89
Quartile 4	0.85 (0.37–1.97)	0.71
Interaction term: Pre-ECMO cardiac arrest and intubation-to-cannulation quartiles		0.01

ECMO = extracorporeal membrane oxygenation, OR = odds ratio.

^aModel includes: pH, pre-ECMO cardiac arrest, intubation-to-cannulation quartiles, pre-ECMO cardiac arrest, and intubation-to-cannulation quartile interaction.