There were significant differences in body temperature ( @ centigrade vs. @ centigrade ) , respiratory rate ( @ times/min vs. @ times/min ) , heart rate ( @ beats/min vs. @ beats/min ) , white blood cell count ( WBC : @ @ ( @ ) / L vs. @ @ ( @ ) / L ) , acute physiology and chronic health evaluation II ( APACHEII ) score ( @ vs. @ ) , Glasgow coma score ( GCS : @ vs. @ ) , gastrointestinal dysfunction score ( @ vs. @ ) , oxygenation index ( PaO@/FiO@ : @ mmHg vs. @ mmHg ) , serum creatinine ( SCr : @ mol/L vs. @ mol/L ) , total bilirubin ( TBil : @ mol/L vs. @ mol/L ) , C-reacting protein ( CRP : @ mmol/L vs. @ mmol/L ) , prothrombin time ( PT : @ s vs. @ s ) , activated partial thromboplastin time ( APTT : @ s vs. @ s ) , international normalized ratio ( INR : @ vs. @ ) , extra vascular lung water index ( EVLWI : @ mL/kg vs. @ mL/kg ) , pulmonary vascular permeability index ( PVPI : @ vs. @ ) , mean arterial pressure ( MAP : @ mmHg vs. @ mmHg ) , cardiac output ( CO : @ L/min vs. @ L/min ) , systemic vascular resistance index ( SVRI : @ KP vs. @ KP ) , and blood lactate ( @ mmol/L vs. @ mmol/L ) between high PEEP group and normal PEEP group ( P < @ or P < @ ) .