Fig. 2.

The COMT Val158Met polymorphism is associated with greater global functional outcome as measured by the Glasgow Outcome Scale Extended (GOSE) at 6-months following mild traumatic brain injury. White, GOSE score of 8; light gray, GOSE score of 7; dark gray, GOSE score of 5; red, GOSE score of 5. COMT = Catechol-O-Methyltransferase.