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Effects of BMI on the risk and frequency of AIS 3+ injuries in motor‐vehicle crashes

机译：BmI对机动车撞击中aIs 3+损伤风险和频率的影响

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Objective: Determine the effects of BMI on the risk of serious‐to‐fatal injury (Abbreviated Injury Scale ≥ 3 or AIS 3+) to different body regions for adults in frontal, nearside, farside, and rollover crashes. Design and Methods: Multivariate logistic regression analysis was applied to a probability sample of adult occupants involved in crashes generated by combining the National Automotive Sampling System (NASS‐CDS) with a pseudoweighted version of the Crash Injury Research and Engineering Network database. Logistic regression models were applied to weighted data to estimate the change in the number of occupants with AIS 3+ injuries if no occupants were obese. Results: Increasing BMI increased risk of lower‐extremity injury in frontal crashes, decreased risk of lower‐extremity injury in nearside impacts, increased risk of upper‐extremity injury in frontal and nearside crashes, and increased risk of spine injury in frontal crashes. Several of these findings were affected by interactions with gender and vehicle type. If no occupants in frontal crashes were obese, 7% fewer occupants would sustain AIS 3+ upper‐extremity injuries, 8% fewer occupants would sustain AIS 3+ lower‐extremity injuries, and 28% fewer occupants would sustain AIS 3+ spine injuries. Conclusions: Results of this study have implications on the design and evaluation of vehicle safety systems.
机译：目的：确定体重指数（BMI）对额叶，近侧，远侧和侧翻坠落事故对成年人不同身体区域造成严重致命伤害（缩写为≥3或AIS 3+）的影响。设计和方法：多元逻辑回归分析应用于通过将国家汽车采样系统（NASS-CDS）与碰撞伤害研究和工程网络数据库的伪加权版本相结合而生成的与碰撞有关的成年乘员的概率样本。如果没有乘员，则将Logistic回归模型应用于加权数据以估计AIS 3+受伤乘员数的变化。结果：增加的BMI会增加额头碰撞中下肢受伤的风险，降低近端碰撞中下肢受伤的风险，额骨和近端碰撞中上肢受伤的风险增加，以及额头碰撞中脊柱受伤的风险增加。这些发现中的一些受到与性别和车辆类型的相互作用的影响。如果正面碰撞中没有乘员肥胖，则将使AIS 3+上肢受伤的乘员减少7％，使AIS 3+下部下肢受伤的乘员减少8％，使AIS 3+上肢受伤的乘员减少28％。结论：本研究结果对车辆安全系统的设计和评估有影响。

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