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Sökning: L773:1943 2461 > (2012)

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  • Stigson, H., et al. (författare)
  • Injury risk functions in frontal impacts using data from crash pulse recorders
  • 2012
  • Ingår i: Annals of Advances in Automotive Medicine; 56th Annual Scientific Conference of the Association for the Advancement of Automotive Medicine; Seattle, WA; United States; 14 October 2012 through 17 October 2012. - 1943-2461. ; 56, s. 267-276
  • Konferensbidrag (refereegranskat)abstract
    • Knowledge of how crash severity influences injury risk in car crashes is essential in order to create a safe road transport system. Analyses of real-world crashes increase the ability to obtain such knowledge. The aim of this study was to present injury risk functions based on real-world frontal crashes where crash severity was measured with on-board crash pulse recorders. Results from 489 frontal car crashes (26 models of four car makes) with recorded acceleration-time history were analysed. Injury risk functions for restrained front seat occupants were generated for maximum AIS value of two or greater (MAIS2+) using multiple logistic regression. Analytical as well as empirical injury risk was plotted for several crash severity parameters; change of velocity, mean acceleration and peak acceleration. In addition to crash severity, the influence of occupant age and gender was investigated. A strong dependence between injury risk and crash severity was found. The risk curves reflect that small changes in crash severity may have a considerable influence on the risk of injury. Mean acceleration, followed by change of velocity, was found to be the single variable that best explained the risk of being injured (MAIS2+) in a crash. Furthermore, all three crash severity parameters were found to predict injury better than age and gender. However, age was an important factor. The very best model describing MAIS2+ injury risk included delta V supplemented by an interaction term of peak acceleration and age.
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Stigson, H (2)
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