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J Korean Soc Traumatol. 2008 Jun;21(1):36-45. Korean. Original Article.
Kim CS , Choi HJ , Kim JY , Shin SD , Koh SB , Lee KJ , Im TH .
Department of Emergency Medicine, Hanyang University College of Medicine, Korea. erthim@hanyang.ac.kr
Department of Social and Preventive Medicine, Hallym University College of Medicine, Korea.
Department of Emergency Medicine, Seoul National University College of Medicine, Korea.
Department of Preventive Medicine, Yonsei University Wonju College of Medicine, Korea.
Department of Emergency Medicine, Ajou University College of Medicine, Korea.
Abstract

PURPOSE: We conducted this retrospective epidemiological study to assess the incidence and severity of lower extremity injuries in Korea METHODS: For this study, we retrospectively reviewed nationwide lower-extremity injury data compiled from 2001 to 2003 based on the National Injury Database, what included National Health Insurance Corporation (NHIC), Car Insurance, and Industry Insurance data. Data were standardized in terms of demographic characteristics, region, and socioeconomic status by using NHIC data. To assess the degree of the injuries, we used the Modified Abbreviated Injury Scale (MoAIS), what has been changed from the International Classification of Disease-10 (ICD-10) code. By using the Excess Mortality Ratio-adjusted Injury Severity Score (EMR-ISS), we classified the degree of severity into four categories: mild, moderate, severe and critical. RESULTS: From 2001 to 2003, lower extremity injuries increased slightly, with a yearly average of 2,437,335. Insurance data should that lower-extremity injuries were the most common, followed by upper-extremity injuries. Significant difference were seen in the numbers of lower extremity injuries based on gender and age. As for provinces, Seoul and Gyeongi provinces had the highest numbers of cases. Junlabukdo had the highest rate of 55,282 cases per 1 million people for standardized gender and population. The annual incidence of the insured patients with lower extrimity injuries was higher than the employer's medical insurance contributions to the medical insurance program. Daily cases occur most often in May and June, with the lowest occurrences being in January and February. CONCLUSION: The result of this study shows that lower extremity injuries comprised common cause of all injuries. In addition, differences associated with gender, location and socioeconomic status were observed. Further studies are needed to find reasons and then this knowledge will allow strategies to prevent the lower extremity injuries.

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