Dementia risk after traumatic brain injury vs nonbrain trauma: the role of age and severity

RC Gardner, JF Burke, J Nettiksimmons, A Kaup… - JAMA …, 2014 - jamanetwork.com
Importance Epidemiologic evidence regarding the importance of traumatic brain injury (TBI)
as a risk factor for dementia is conflicting. Few previous studies have used patients with non-
TBI trauma (NTT) as controls to investigate the influence of age and TBI severity. Objective
To quantify the risk of dementia among adults with recent TBI compared with adults with
NTT. Design, Setting, and Participants This retrospective cohort study was performed from
January 1, 2005, through December 31, 2011 (follow-up, 5-7 years). All patients 55 years or …