1559: PREHOSPITAL TRANSFER LOCATION ON OUTCOMES OF TRAUMATIC BRAIN INJURY PATIENTS: A CASE-CONTROL STUDY. (16th December 2021) - Downing, Jessica; Mikdashi, Fatima; Frederick, Hannah; Solomon, Julianna; Olexa, Joshua; Baqai, Hammad; Fairchild, Matthew; Hollis, Grace; Sahadzic, Iana; Tang, Kaitlyn; Ullah, Muhammad; Widjaja, Austin; et al.