Related Experiment Video
Updated: May 7, 2026
Controlled Cortical Impact Model for Traumatic Brain Injury
Published on: August 5, 2014
Comparative effectiveness of traumatic brain injury rehabilitation: differential outcomes across TBI model systems
Marie N Dahdah1, Mark T Barisa, Kathryn Schmidt
1Baylor Institute for Rehabilitation, Baylor Health Care System, Dallas, Texas (Drs Dahdah, Barisa, Dubiel, and Wilson); Institute for Health Care Research and Improvement, Baylor Health Care System, Dallas, TX (Ms Schmidt and Drs Barnes and Shafi); North Texas Traumatic Brain Injury Model Systems Center, Dallas, Texas (Drs Dahdah, Barisa, Dubiel, Wilson, Diaz-Arrastia, and Shafi and Mss Dunklin, Harper, and Callender); Department of Neurology, University of Texas Southwestern Medical Center, Dallas, (Dr Diaz-Arrastia); and Center for Neuroscience and Regenerative Medicine, Uniformed Services University of the Health Sciences, Rockville, Maryland (Dr Diaz-Arrastia).
Objective:
To measure patient functional outcomes across rehabilitation centers.
Setting:
Traumatic Brain Injury Model System (TBIMS) centers.
Participants:
Patients with traumatic brain injury (TBI) admitted to 21 TBIMS rehabilitation centers (N = 6975, during 1999-2008).
Design:
Retrospective analysis of prospectively collected data.
Main Measures:
Center-specific functional outcomes of TBI patients using Functional Independence Measure, Disability Rating Scale, and Glasgow Outcome Scale-Extended.
Results:
There were large differences in patient characteristics across centers (demographics, TBI severity, and functional deficits at admission to rehabilitation). However, even after taking those factors into account, there were significant differences in functional outcomes of patients treated at different TBIMS centers.
Conclusion:
There are significant differences in functional outcomes of TBI patients across rehabilitation centers.
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