AI Article Synopsis
- The study found that belted drivers in frontal crashes with deployed airbags have a higher risk of moderate to serious abdominal injuries compared to those without airbag deployment.
- Approximately 13,000 cases from 1993-2007 were analyzed, showing 2.14 times greater odds for AIS2+ injuries and 3.48 times greater odds for AIS3+ injuries when airbags were deployed.
- The increase in injury risk may be linked to changes in how occupants move during a crash when interacting with the airbag, potentially causing them to slip under the lap belt (submarine effect).
Article Abstract
The risk of moderate or serious abdominal injury is higher for belted drivers in frontal crashes with a deployed airbag than for belted drivers not exposed to a deployed airbag. An analysis of roughly 13,000 belted front seat occupants in frontal crashes from National Automotive Sampling System / Crashworthiness Data System (NASS/CDS) case years 1993-2007 with and without airbag deployment were used in this study. There were 2.14 (CI: 1.06-4.33) times greater odds of AIS2+ abdominal injury and 3.48 (CI: 1.27-9.62) times greater odds of AIS3+ abdominal injury when a belted driver was exposed to a deployed airbag as compared to belted drivers not exposed to a deployed airbag. The liver and spleen were not found to have statistically significant higher odds of injury with airbag deployment. It is possible that an increase in abdominal injury potential may be related to a change in occupant kinematics as a result of the occupant engaging the deployed airbag, consequently forcing the occupant to submarine under the lap belt.
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