United States Department of Transportation
i
Estimating the Injury-Reducing Benefits of Ejection-Mitigating Glazing
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1996-02-01
[PDF-77.96 KB]
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TRIS Online Accession Number:00723765
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NTL Classification:NTL-SAFETY AND SECURITY-Highway Safety;NTL-SAFETY AND SECURITY-Accidents;NTL-SAFETY AND SECURITY-Human Factors;
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Abstract:The Advanced Glazing Project of NHTSA is an initiative aimed at reducing the
number of fatalities and serious injuries in motor vehicle crashes due to
ejection. As part of the project, it was necessary to estimate the numbers of
lives saved and serious injuries prevented when ejection is eliminated. This
report describes the statistical analysis performed to obtain such estimates.
The analysis utilized state data files maintained by National Center for
Statistics and Analysis (NCSA). It employs the double-pair comparison
methodology to compare the injury rates on various severity levels among
the ejected and the non-ejected vehicle occupants. It also allows one to
calculate fractional reductions in fatalities and incapacitating injuries due
to ejection prevention. Since ejection is rare among occupants of motor vehicle
using the safety belts, the analysis is restricted to the unrestrained occupants.
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