Comparing survival and outcomes in isolated versus polytrauma-associated TBI: a retrospective cohort study

Polytrauma does not appear to be independently associated with the prognosis of moderate to severe TBI patients but is associated with earlier mortality. Coagulopathy and physiological instability are more critical factors in determining mortality and poor outcomes. Future research should explore whether polytrauma is a bystander in TBI or if it has a causal role in adverse outcomes.