Table 3.

Adjusted analysis for mortality at day-28

Variable	Adjusted Hazard Ratios	95% CI	p value
Initial cardiac arrest	11.5	2.51–52.43	0.0017
Duration of cardiopulmonary resuscitation (1-min increment)	1.05	1.03–1.07	< 0.0001
Freshwater	1.84	1.03–3.29	0.04
SOFA score at day 1 (1-point increment)	1.2	1.11–1.3	< 0.0001