Elderly patients are at high risk for mortality after injury, and prevention is imperative. Several studies have captured the value of traffic calming or environmental modifications; however, limited data support its use during focused times of the day to reduce pedestrian trauma. This study's aim was to identify when the elderly are more likely to be injured from pedestrian trauma. The Los Angeles County Trauma and Emergency Medicine Information System database was reviewed for all adult pedestrians who were struck by vehicles from 2000 to 2015. Elderly (≥65 years) patients were compared with nonelderly (range, 18-64 years) patients with respect to the time of admission and mortality. The proportion of elderly pedestrian injuries peaked between 9 and 10 am (23%). Compared with their nonelderly counterparts, the elderly were more likely to have a Glasgow Coma Scale ≤ 8 (11% 7%, < 0.01), be hypotensive (6% 3%, < 0.01), and have a higher Injury Severity Score (median 9 5, < 0.01). Mortality was significantly higher in the elderly (14% 4%, < 0.01). Elderly pedestrians had an almost 5-fold higher adjusted odds ratio for death: 4.72 ( < 0.01). Preventative strategies with lower speed limits or high surveillance during these hours in highly populated areas may result in a decreased incidence of these injuries.
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