Background The prevalence of metabolic diseases is increasing worldwide and is influenced by multiple environmental, psychological, and dietary factors. As overseas deployment (OD) of Korean soldiers brings about changes in these factors, this study aimed to explore the impact of OD on metabolic diseases. Materials and Methods We collected paired health checkup data of Korean soldiers between January 2020 and December 2022, before and after their deployment. We analyzed changes in lipid profile, fasting glucose, and liver function biomarkers during OD and compared the prevalence of metabolic diseases before and after the OD. Results A total of 2,953 soldiers were enrolled. During OD, body weight, body mass index, total cholesterol, low-density lipoprotein, and fasting glucose levels decreased significantly. Furthermore, the prevalence of obesity, impaired fasting glucose, and nonalcoholic fatty liver disease decreased significantly from 45.78% to 33.49%, P < .001; 38.60% to 34.41%, P < .001; and 24.89% to 18.88%, P < .001, respectively. In a subgroup analysis of participants with long-term deployment (duration >365 days), only the prevalence of obesity decreased significantly during deployment, whereas the prevalence of hypertension and dyslipidemia increased. Conclusions Metabolic biomarkers improved, and the prevalence of metabolic diseases decreased significantly during OD. However, personnel with long-term deployment did not experience significant improvements in these parameters. Further analysis is needed to identify the factors influencing these discrepancies.

中文翻译：

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海外部署对韩国士兵脂肪肝和代谢疾病的影响

背景 代谢性疾病的患病率在世界范围内不断增加，并受到多种环境、心理和饮食因素的影响。由于韩国士兵的海外部署（OD）带来了这些因素的变化，本研究旨在探讨OD对代谢性疾病的影响。材料和方法我们收集了2020年1月至2022年12月韩国士兵部署前后的配对健康检查数据。我们分析了 OD 期间血脂、空腹血糖和肝功能生物标志物的变化，并比较了 OD 前后代谢疾病的患病率。结果 共有2953名士兵入伍。 OD期间，体重、体重指数、总胆固醇、低密度脂蛋白和空腹血糖水平显着下降。此外，肥胖、空腹血糖受损和非酒精性脂肪肝的患病率从 45.78% 显着下降至 33.49%，P < 1。 .001; 38.60％至34.41％，P＜0。 .001; 24.89％至18.88％，P＜0。 .001，分别。在对长期服役（持续时间>365天）参与者的亚组分析中，只有肥胖的患病率在服役期间显着下降，而高血压和血脂异常的患病率则有所增加。结论 OD期间代谢生物标志物改善，代谢性疾病患病率显着下降。然而，长期部署的人员这些参数并没有明显改善。需要进一步分析以确定影响这些差异的因素。