Table 4.

Thirty-day mortality in post-cardiac-arrest patients, as predicted by the increased HSP70 (HSPA1A) concentrations measured 24 h after the initiation of therapeutic hypothermia

Modelsa	HRb	95 % CI	Chi-square	p value
Model 1	1.926	1.405–2.638	12.796	<0.001
Model 2	2.153	1.520–3.050	15.067	<0.001
Model 3	1.978	1.419–2.759	12.413	<0.001
Model 4	2.043	1.412–2.956	12.954	<0.001

^aModel 1: univariable Cox regression analysis of HSP70; Model 2: multivariable Cox regression analysis of HSP70 adjusted for age and sex; Model 3: multivariable Cox regression analysis of HSP70 adjusted for APACHE II score; Model 4: multivariable Cox regression analysis of HSP70 adjusted for presence of complications

^bHR hazard ratio; HRs for variables shown as standardized hazard ratios (HR per 1 SD increase of the variable) with 95 % CI; Wald chi-square and p values of likelihood ratio tests are presented