Table 3.

Cox regression analysis for early hazard phase (<30 days).

Variable	Hazard Ratio (HR)	p	95% CI
Creatinine >1.7 mg/dL	1.09	0.80	0.53	2.24
Hypertension	1.40	0.54	0.46	4.25
Age >65 years	1.50	0.24	0.75	2.99
Ejection fraction	0.98	0.47	0.93	1.02
Cardiogenic shock	1.25	0.60	0.53	2.94
Entry site	2.10	0.04	1.00	4.42
Pericardial effusion >10 mm	1.37	0.44	0.60	3.09
Prebypass base deficit	0.99	0.83	0.91	1.07
Prebypass pH < 7.25	4.00	<0.01	1.64	9.75
Malperfusion	1.91	0.10	0.87	4.20