Table 4.

Multivariate logistic regression analysis and risk of POD

Dependent variables		Post CAM-ICU		Adjusted		P
		Positive (n=28)	Negative (n=36)	Odd ratio	95% CI
Intervention	Propofol	18 (64%)	14 (39%)	2.11	0.29-26.42	0.47
	Ketamine	10 (36%)	22 (61%)
CPB time	>=120 min	22 (79%)	18 (50%)	1.92	0.08-46.97	0.88
	<120 min	6 (21%)	18 (50%)
MAP in CPB	60-75	26 (93%)	31 (86%)	1.46	0.14-15.32	0.45
	>75	7 (7%)	5 (14%)
Post WBC	>10,000	8 (29%)	34 (94%)	124.5	8.36-1,857	0.001*
	<=10,000	20 (71%)	21 (6%)
VAS Pain	>5	18 (64%)	4 (11%)	12.53	1.43-97.28	0.06
	1-5	10 (36%)	32 (89%)

Remark: 95%CI=95% confidence interval, *significant level at P<0.05