Table 1.

Characteristics of Patients by Diagnosis^a

^aData are numbers (percentages) of patients unless otherwise indicated. SAH=subarachnoid hemorrhage, SDH=subdural hematoma, ICH=intracranial hemorrhage, NICU=neurological intensive care unit, IQR=interquartile range, ICP=intracranial pressure.

^b Ventilator days and ICP days were calculated for patients who needed mechanical ventilation or ICP monitoring only.