6-Month Recovery after Mild Traumatic Brain Injury in Older Adults: A TRACK-GERI Study

Importance: Older adults (65 years and older) are the largest and fastest growing population of traumatic brain injury (TBI) victims. However, real-world evidence of 6-month functional outcomes is limited. Objective: To describe 6-month functional outcomes in older adults after mild TBI (mTBI; presenting Glasgow Coma Scale score 13-15), by age group and preinjury cognitive status. To evaluate the performance of the Glasgow Outcome Scale - Extended (GOSE) as a geriatric mTBI clinical trial endpoint. Design: Prospective cohort study; single-center pilot enrollment February 2018-April 2019; two-center enrollment October 2020-March 2025. Setting: Two U.S. level I trauma centers. Participants: Ol