Fig. 3

Percentages and absolute numbers of observations with metabolic crisis (a lactate/pyruvate ratio > 40 and glucose < 0.2 mmol/L in cerebral microdialysate) as stratified according to the presence or absence of an elevated (> 20 mmHg) intracranial pressure (ICP). Patients with subarachnoid haemorrhage (SAH) and traumatic brain injury (TBI) are illustrated in green and purple, respectively.