Table 4.

Cox regression analysis for long-term (>30 days) hazard.

Variable	Hazard Ratio	p	95% CI
Creatinine >1.7 mg/dL	2.42	0.13	0.76	7.72
Hypertension	0.96	0.94	0.29	3.12
Age >65 years	3.12	0.02	1.17	8.31
Ejection fraction	0.94	0.08	0.88	1.00
Cardiogenic shock	0.28	0.27	0.03	2.62
Entry site	0.84	0.82	0.18	3.82
Pericardial effusion >10 mm	0.93	0.91	0.27	3.21
Prebypass base deficit	0.88	0.06	0.78	1.00
Prebypass pH < 7.25	1.08	0.94	0.10	10.88
Malperfusion	1.40	0.51	0.50	3.92