Abstract
Sherer M, Yablon SA, Nakase-Richardson R, Nick TG. Effect of severity of post-traumatic confusion and its constituent symptoms on outcome after traumatic brain injury. ObjectiveTo investigate the prognostic significance of severity of post-traumatic confusion (PTC) and its constituent symptoms for early and late outcome after traumatic brain injury (TBI). DesignProspective cohort study. SettingInpatient brain injury rehabilitation program. ParticipantsA total of 168 patients meeting study criteria from 195 consecutive Traumatic Brain Injury Model Systems neurorehabilitation admissions. InterventionsNot applicable. Main Outcome MeasuresEmployability at neurorehabilitation discharge and productivity status at 1 year postinjury. ResultsMore severely confused patients had poorer outcomes for both employability and productivity. Multivariable logistic regression revealed that after adjustment for all other predictors, time to follow commands, and confusion severity predicted employability at discharge and age and confusion severity predicted productivity status at 1 year. Each symptom showed an unadjusted effect on discharge employability. All symptoms except nighttime sleep disturbance or daytime decreased arousal had effects on productivity at 1 year. Presence of psychotic-type symptoms was associated with especially poor productivity outcomes. ConclusionsPTC constituent symptoms and severity predict outcome after TBI. Presence or absence of psychotic-type symptoms on a single evaluation at approximately 21 days postinjury may have particular prognostic significance for productivity outcome.
Published Version
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