Table 6.

Univariable Analysis for Favorable Outcomes

	Univariable			Multivariable
	Odds Ratio	95% CI	P Value	Odds Ratio	95% CI	P Value
All patients (n=237)
Age ≥55 y	0.50	0.28 to 0.87	0.015	0.53	0.26 to 1.07	0.078
Initial recorded rhythm was shockable	3.95	2.24 to 7.14	<0.001	2.59	1.31 to 5.19	0.006
Out-of-hospital cardiac arrest	1.15	0.59 to 2.34	0.689
Acute coronary syndrome	0.70	0.41 to 1.21	0.205
Cardiac arrest to CPR ≥5 min	0.93	0.55 to 1.57	0.777
Cardiac arrest to ROSC ≥32 min	0.11	0.06 to 0.21	<0.001	0.16	0.08 to 0.30	<0.001
ROSC to 34°C ≥167 min	5.49	3.11 to 9.89	<0.001	4.07	1.86 to 9.22	<0.001
Protocol of targeted temperature management
Target temperature <34°C	1.25	0.73 to 2.16	0.412	1.80	0.86 to 3.85	0.120
Duration of cooling ≥28 h	1.57	0.89 to 2.75	0.115	3.20	0.37 to 70.83	0.312
Duration of rewarming ≥28 h	1.28	0.73 to 2.22	0.393	5.13	0.61 to 113.23	0.142
The late period (after 2009)	0.42	0.24 to 0.72	0.002	0.72	0.30 to 1.75	0.467

CPR indicates cardiopulmonary resuscitation; ROSC, return of spontaneous circulation.