Table 4.

Neurological complication predictors.

	Univariate analysis			Multivariate analysis
	OR	95% CI	P	OR	95% CI	P
Smoking	3.05	1.17-7.94	0.023	6.208	1.747-22.06	0.005
Cardiopulmonary bypass time	1.01	1.00-1.01	0.001	1.01	1.01-1.02	0.030
Cross-clamp time	1.02	1.01-1.03	0.000
Operating time	1.00	1.00-1.01	0.015
Drainage	1.00	1.00-1.00	0.000
Intensive care unit time	1.02	0.99-1.0 5	0.116
Blood products	1.23	1.09-1.38	0.001
Hospital discharge time	1.01	0.98-1.03	0.319
WBC >11,000 (K/Ul)	2.75	1.13-6.65	0.025	3.77	1.05-13.50	0.041
Loss of consciousness	8.02	3.04-21.2	0.000
Reoperation for bleeding	4.91	2.05-11.73	0.000
Acute renal failure requiring dialysis	14.4	5.69-36.42	0.000	16.13	5.17-50.33	0.000
Prolonged intubation	5.13	1.85-14.21	0.002