Background: Subdural hematoma (SDH) is a collection of extra cerebral blood which can be in the form of clots or in the form of fluid and is located between the dura mater and arachnoid mater, and does not spread to the subarachnoid area. SDH is a type of head injury with the highest mortality rate at 13.7%. In handling SDH, one of the factor that plays a role in determining outcome in patients…