Table 3.

Hazard Ratios and 95% CIs Using a Cumulative Probability Regression Model

Variable	Death	Hospital Discharge
	HR (95% CI)	HR (95% CI)
Male	1.19 (0.77–1.86)	0.73 (0.48–1.12)
Age (+10 yr)	1.46 (1.19–1.78)	0.78 (0.66–0.93)
Date of ECMO initiation (+30 d)	1.10 (0.99–1.23)	0.74 (0.63–0.87)
Body mass index (+5 kg/m2)	1.13 (0.98–1.29)	0.99 (0.86–1.13)
Prone position during ECMO	0.31 (0.14–0.68)	0.03 (0.00–0.21)
Prone position before ECMO	1.17 (0.7–1.95)	1.26 (0.77–2.07)

ECMO = extracorporeal membrane oxygenation, HR = hazard ratio.