Table 3. Univariate and multivariate logistic regression analysis for in-hospital mortality.

Risk factor	Univariate analysis			Multivariate analysis
	RR [95% CI]	P		RR [95% CI]	P
WHO functional class IV	10 [23–47]	0.001
RAP	1.1 [1.0–1.2]	0.034
Cardiac output	0.5 [0.2–0.9]	0.042
PVR >1,000 dyn·s·cm−5	8 [2–27]	0.009		10.5 [1.8–85.0]	0.010
Reperfusion edema	11 [4–99]	<0.001
Cardiac failure	12 [2–57]	0.001
ECMO	22 [5–150]	<0.001

WHO, World Health Organization; RAP, right atrial pressure; PVR, pulmonary vascular resistance; ECMO, extracorporeal membrane oxygenator; RR, relative risk; CI, confidence interval.