The acute physiology and chronic health evaluation II ( APACHEII ) score , sequential organ failure assessment ( SOFA ) , arterial oxygenation index ( PaO@/FiO@ ) , central venous oxygen saturation ( ScvO@ ) , arterial blood lactate ( Lac ) , C-reactive protein ( CRP ) levels of two groups were compared before treatment and @ hours after treatment , and @-day mortality rate was finally compared .