Research Reports - Prevalence of traumatic brain injury in the general adult population: A meta-analysis

Neuroepidemiology. 2012 Dec 18;40(3):154-159

Frost RB, Farrer TJ, Primosch M, Hedges DW

Traumatic brain injury (TBI) is a significant public-health concern. To
understand the extent of TBI, it is important to assess the prevalence of TBI in
the general population. However, the prevalence of TBI in the general population
can be difficult to measure because of differing definitions of TBI, differing
TBI severity levels, and underreporting of sport-related TBI. Additionally,
prevalence reports vary from study to study. In this present study, we used
meta-analytic methods to estimate the prevalence of TBI in the adult general
population. Across 15 studies, all originating from developed countries, which
included 25,134 adults, 12% had a history of TBI. Men had more than twice the
odds of having had a TBI than did women, suggesting that male gender is a risk
factor for TBI. The adverse behavioral, cognitive and psychiatric effects
associated with TBI coupled with the high prevalence of TBI identified in this
study indicate that TBI is a considerable public and personal-health problem.

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