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J Korean Soc Emerg Med > Volume 34(3); 2023 > Article
Journal of The Korean Society of Emergency Medicine 2023;34(3): 256-266.
자동차 사고에서 뒷좌석 탑승자의 손상에 영향을 주는 요인
박진영 , 양욱태 , 왕일재 , 조영모 , 염석란 , 조석주 , 여지선 , 박성욱
부산대학교병원 응급의학과
Factors affecting injury severity of rear-seat occupants
Jinyoung Park , Wooktae Yang , Iljae Wang , Youngmo Cho , Seokran Yeom , Suckju Cho , Jiseon Yeo , Sungwook Park
Department of Emergency Medicine, Pusan National University Hospital, Busan, Korea
Correspondence  Sungwook Park ,Tel: 051-240-7503, Fax: 051-253-6472, Email: psu52156@naver.com,
Received: July 26, 2022; Revised: October 2, 2022   Accepted: October 9, 2022.  Published online: June 30, 2023.
Previous studies focused primarily on drivers or front-seat passengers in motor vehicle accidents. Recent research has shown improvements in front-seat occupant protection. This study examined the risk factors contributing to severe injury in rear-seat occupants.
This study was conducted retrospectively. The variables related to the crash data were acquired from the Emergency Department-based Injury In-depth Surveillance registry and electronic medical record of the authors’hospital between 2019 and 2020. Multivariate logistic regression analysis was used to identify the risk factors contributing to severe injury in rear-seat occupant.
One hundred and forty rear-seat occupants were analyzed. The occupants were categorized by the abbreviated injury scale into severe (n=39; 27.9%) and non-severe injury (n=101; 72.1%). The collision with a large-size vehicle (odds ratio [OR], 4.278; 95% confidence interval [CI], 1.617-18.000; P=0.015) and fixed objects (OR, 3.459; 95% CI, 1.347-8.883; P=0.049) was independently associated severe injury. Seatbelt use was also an independent risk factor of severe injury (OR, 2.649; 95% CI, 1.178-5.940; P=0.018). Common severe injuries encountered in rear seats were chest (12.1%), spine (9.3%), and abdomen (5.7%).
In contrast to the fact that seat belt use reduces the severity of injuries, seatbelt use was associated with severe injury in this study. Further research will be needed to assess the effects of seatbelt use. In addition, awareness should be raised about the relationship between the accident mechanism, seatbelt use, and the commonly injured body region.
Key words: Abbreviated injury scale; Risk factors; Traffic accidents; Seat belts
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