Correlation Between Hyperglycemia and Length of Stay in Severe Head Injury Patients at Prof. Dr. Igng Ngoerah Hospital Made Gede Cahyadi Permana1*, Sri Maliawan2, I Wayan Niryana2, A.A Gde Oka3, I Nyoman Semadi4, and I Wayan Periadijaya5 Abstract Background: Head injury is one of the emergency cases in surgery that