Among the 260 patients with data that could be evaluated and who had a VABS-II score of at least 70 before cardiac arrest , there was no significant difference in the primary outcome between the hypothermia group and the normothermia group ( 20 % vs. 12 % ; relative likelihood , 1.54 ; 95 % confidence interval [ CI ] , 0.86 to 2.76 ; P = 0.14 ) .