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Incidence and consequences of ejection in motor vehicle accidents.

This article described the results of a comparison of the severity of injury and number of deaths between completely ejected and non ejected motor vehicle occupants. Information was collected between January 1983 and January 1985 on all patients injured in road traffic accidents in the catchment area of john radcliffe hospital, oxford. Injuries were coded by region and scored using the abbreviated injury scale. Altogether 1550 vehicle occupants were injured (871 drivers, 375 front seat passengers, and 304 rear seat passengers). Forty five were completely ejected from the vehicle in the accident (11 drivers, 9 front seat passengers and 25 rear seat passengers). The incidence of ejection was 2.9% overall. It was lower for drivers (1.2%) and front seat passengers (2.4%) but significantly higher for rear seat passengers (8.2%). Being ejected was associated with a significantly greater incidence of severe or critical injuries, and a higher incidence of fatal injuries. None of the ejected rear seat passengers was wearing a seat belt. Of the 834 occupants known to be wearing seat belts, only 5 were ejected. Ejection occurred most commonly in accidents at high speeds and those in which the vehicle rolled over.