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体重指数与重症患者的结局之间的关联:对MIMIC-III数据库的分析

Wenbo Yu¹, Weiwei Jiang², Jihong Yuan³

¹Department of Emergency Medicine, PLA Marine Corps Hospital, No. 1 Xinyang Road, Chaozhou, 521021, China.

Scientific reports

|December 27, 2024

概括

体重不足的重症患者面临更高的死亡风险. 相反,超重和肥胖患者的死亡率较低,这表明身体质量指数 (BMI) 与重症监护中的存活率之间存在复杂的L形联系.

科学领域:

关键护理医学关键护理医学
公共卫生公共卫生
流行病学流行病学

背景情况:

肥胖是一个主要的公共卫生问题.
危急病患者的体重指数 (BMI) 和死亡率之间的关系尚未完全理解.
现有的研究提出了关于BMI和严重疾病的结果的相互矛盾的发现.

研究的目的:

调查BMI类别与重症患者的死亡风险之间的关联.
探索BMI和死亡率之间的非线性关系.
为了确定在重症监护机构生存的最佳BMI范围.

主要方法:

来自MIMIC-III数据库的大型队列 (19,311名患者) 的分析.
将患者分为体重不足,体重正常,超重和肥胖的组.
应用考克斯的比例危险模型和受限立方线来评估BMI与死亡率的关联.
执行多重灵敏度分析以确保结果的可靠性.

主要成果:

体重不足患者 (2.3%) 的死亡风险最高.
超重 (34.8%) 和肥胖 (34.5%) 患者的死亡风险降低.
在BMI和死亡风险之间观察到显著的L形关联,最低风险约为32kg/m2.
亚组分析证实了不同患者人口统计学中的非线性L型模式.

结论:

体重不足是重症患者死亡的一个重要风险因素.
矛盾的是,超重和肥胖与该人口中较低的死亡率有关.
体重指数 (BMI) 显示出非线性,L形的关系与危急疾病中的死亡风险,突出了超出简单分类的复杂性.

关键词:

这就是为什么BMI是BMI.病情危急,病情危急.在ICU中,医生会对患者进行治疗.死亡率死亡率死亡率肥胖问题肥胖问题风险因素风险因素风险因素

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