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A method of mapping pre post NASS-93 injury descriptions to enable multi-year data comparisons

机译:一种映射前后NASS-93损伤描述的方法,以实现多年数据比较

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The National Highway Traffic Safety Administration's (NHTSA) National Accident Sampling System Crashworthiness Data System (NASS/CDS) collects detailed information on a sample of all police-reported motor vehicle crashes in the United States that involved passenger vehicles towed from the scene due to damage. This system's occupant injury definitions and severity levels, which are based on the Association for the Advancement of Automotive Medicine's (AAAM) Abbreviated Injury Scale (AIS), are periodically updated. The last major revision, in 1993, changed the injury identifier of all injuries, added injuries, deleted injuries and changed the body region and severity of a substantial number of injuries. These changes confound the direct combining or trending of pre-1993 and 1993 and later NASS data. This paper reports on the results of using a conversion method to equate pre-NASS-93 and NASS-93 and later injury descriptors and severities. The conversion maps each listed injury description and aspect in the NASS-93 coding manual to the injury descriptions and aspects listed in the NASS-88 coding manual. This "full" conversion allows analyses of severity of injuries, frequency of injuries, and comparisons of injuries on an injury-by-injury basis as well as by category, body region, aspect or lesion by adjusting the NASS-93 and later data to be consistent with pre-NASS-93 data. The paper discusses the conversion results and illustrates how the conversion can assist organization that are analyzing data or creating standards based on multi-year NASS data.
机译:国家公路交通安全管理局(NHTSA)国家事故采样系统Crashworthess数据系统(NASS / CDS)收集有关美国所有警察报告的机动车崩溃的样本的详细信息,这些信息涉及由于损坏而从现场牵引的乘客车辆。该系统的居住损伤定义和严重程度,基于汽车医学(AAAM)缩写伤害量表(AIS)的进步协会,定期更新。最后一次重大修订,1993年改变了所有伤害的伤害标识,增加了伤害,删除了伤害,并改变了体内地区和严重程度的大量伤害。这些变化会混淆1993年和1993年的直接结合或趋势,并稍后的NASS数据。本文报告了使用转换方法等同于NASS-93和NASS-93及后续损伤描述符和狭义的结果的结果。转换将NASS-93编码手册中的每个列出的伤害描述和方面映射到NASS-88编码手册中列出的伤害描述和方面。这种“全”转换允许通过调整NASS-93及更高版本的数据来分析伤害伤害,伤害频率的严重程度,损伤的损伤频率和伤害损伤的比较与NASS-93数据一致。本文讨论了转换结果,并说明了转换如何协助正在分析数据或基于多年NASS数据创建标准的组织。

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