This archival study explored differences in adaptability after concussion between those with and without premorbid chronic pain, in an effort to enhance our understanding of factors that are associated with the functional expression of impairment, disability, and variability in functional outcome following mTBI. Participants for this study included postconcussive patients presenting for treatment at a brain injury rehabilitation center in Portland, Oregon. Patient information and scores obtained on the Mayo-Portland Adaptability Inventory-4 (MPAI-4), a measure designed to evaluate functional outcome following brain injury during the post-acute period, was collected and analyzed to determine differences between groups. Separate independent samples t-tests revealed that premorbid chronic pain was associated with greater subjective impairment and lower levels of adaptability following mTBI. This finding suggests that premorbid coping vulnerabilities associated with chronic pain symptomology may play a predominant role in mediating the impact of functional impairments associated with PCS.
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