Baseline clinical and biochemical characteristics of survivor and non-survivor patients.

P 25–75 = percentile 25th–75th; PaO2 = pressure of arterial oxygen/fraction inspired oxygen; FIO2  =  pressure of arterial oxygen/fraction inspired oxygen; ISS  =  Injury Severity Score; INR  =  international normalized ratio; aPTT  =  activated partial thromboplastin time; APACHE II  =  Acute Physiology and Chronic Health Evaluation; ICP  =  intracranial pressure; CPP  =  cerebral perfusion pressure; TIMP  =  tissue inhibitor of matrix metalloproteinase; MMP  =  matrix metalloproteinase; TNF  =  tumor necrosis factor; PAI  =  plasminogen activator inhibitor