Table 2.

Multivariate logistic regression analysis of good neurologic outcome

	Univariate		Multivariate with 6-hour lactate clearance		Multivariate with 12-hour lactate clearance
	Unadjusted OR (95% CI)	P value	Adjusted OR (95% CI)	P value	Adjusted OR (95% CI)	P value
Age	0.97 (0.94 to 1.01)	0.14	0.93 (0.87 to 1.00)	0.05	0.92 (0.86 to 0.99)	0.04
No-flow time	0.80 (0.70 to 0.91)	<0.01	0.77 (0.61 to 0.95)	0.02	0.72 (0.57 to 0.91)	<0.01
Bystander CPR	4.04 (1.36 to 11.95)	0.01	0.34 (0.05 to 2.56)	0.29	0.21 (0.02 to 1.80)	0.15
AED shock	4.07 (1.41 to 11.68)	0.01	1.70 (0.25 to 12.92)	0.60	0.51 (0.07 to 3.58)	0.50
Initial rhythm (shockable rhythm)	5.47 (1.85 to 16.15)	<0.01	8.51 (1.03 to 70.26)	0.04	18.42 (1.93 to 175.32)	0.01
Arrest cause (cardiac)	26.6 (3.28 to 215.30)	<0.01	–	–	–
6-hour lactate clearance	1.02 (1.00 to 1.03)	0.02	1.02 (1.03 to 1.05)	0.03	-–
12-hour lactate clearance	1.03 (1.01 to 1.05)	<0.01	–	–	1.03 (1.00 to 1.07)	0.02

AED, automated external defibrillator; CI, confidence interval; CPR, cardiopulmonary resuscitation; OR, odds ratio.