Patient demographics, mechanism of injury, routine vital signs, medthod of ICP monitoring, and need for surgical intervention with cranial decompression were recorded. Admission head computed tomography was assigned a Marshall Classification score according to the presence of basal cistern compression, midline shift greater than 5 mm, and lesions greater than 25 cm by a blinded reviewer. Outcomes measured included in hospital mortality, overall length of stay, and length of stay in the intensive care unit.