Extended Glasgow Outcome Scale correlates with bispectral index in traumatic brain injury patients who underwent craniotomy

Assessing consciousness in traumatic brain injury is important because it also determines the treatment option, which will influence patients’ outcome. A tool used to objectively assess consciousness level is the bispectral index (BIS) monitor, which was originally designed to monitor the depth of anesthesia. Glasgow Outcome Scale-Extended (GOS-E) provides a measuring tool to assess traumatic brain injury (TBI) outcome. The goal of this study was to assess the correlation between GOS-E scores with BIS values in patients with TBI who underwent craniotomy