总胆固醇与老年人全因死亡率之间的关联:一项全国纵向研究
Fan Hu1, Zhiqiang Wang1, Yujie Liu1
1Public Health Department, International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Frontiers in endocrinology
|June 28, 2024
概括
在85岁及以上的个体中,较高的血清总胆固醇与较低的全因死亡风险有关. 维持胆固醇水平在3.40mmol/L或以上可能会促进最年长的老年人长寿.
科学领域:
- 老年学是一门学科.
- 心血管健康 心血管健康
- 流行病学 流行病学
背景情况:
- 普遍接受的智慧表明,较低的血清胆固醇是更健康的.
- 新兴的研究挑战了这一概念,特别是在最老的成年人群中.
- 这项研究调查了85岁以上个体的总胆固醇和死亡率之间的关系.
研究的目的:
- 评估血清总胆固醇水平与全因死亡率之间的关联.
- 为了确定胆固醇水平是否会影响最年长的老人生存率.
- 为老年人提供基于证据的胆固醇管理建议.
主要方法:
- 从CLHLS (2012年基线) 中利用了903名85岁以上的中国参与者的数据.
- 用单变量和多变量考克斯回归分析来估计死亡风险.
- 使用限制立方线 (<3.40,3.40-4.39,≥4.39 mmol/L) 分类总胆固醇,并使用卡普兰-梅尔曲线分析生存概率.
主要成果:
- 在为期三年的随访期间,发生了282例死亡.
- 多变量分析显示,总胆固醇与全因死亡率 (HR=0.88) 之间存在反向关联.
- 胆固醇水平为3.40-4.39 mmol/L (HR=0.72) 和≥4.39 mmol/L (HR=0.71) 的参与者与<3.40 mmol/L的人相比,死亡率明显较低.
结论:
- 血清总胆固醇水平与85岁及以上个体的全因死亡率有相反的关联.
- 保持总胆固醇在可接受的水平 (≥3.40 mmol/L) 可能有利于最老的长寿.
- 这些发现表明,对老年人群的胆固醇目标进行重新评估.
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