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维生素D和压力尿失禁之间的因果关系:双样本孟德尔随机化研究

Chao Wang¹, Shuangquan Sun, Yong Wang

¹Department of Urology, Song Jiang Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.

|February 28, 2025

概括

这项研究发现,维生素D和压力尿失禁 (SUI) 之间没有因果关系. 门德尔的随机分析表明,维生素D水平,缺乏或补充并不会导致SUI.

科学领域:

泌尿器科泌尿器科泌尿器科泌尿器科
营养科学营养科学
遗传流行病学遗传流行病学

背景情况:

观察性研究表明,维生素D与压力尿失禁 (SUI) 之间存在联系,但因果关系仍然不确定.
现有研究提出了相互矛盾的证据,需要进一步调查维生素D与SUI的关系.

研究的目的:

使用强大的孟德尔随机化 (MR) 方法调查维生素D和SUI之间的潜在因果关系.
澄清维生素D水平,缺乏和补充在SUI病因学中的作用.

主要方法:

利用公开可用的全基因组关联研究总结数据,用于欧洲人口中SUI和维生素D状态.
使用逆方差加权 (IVW),MR-Egger,加权中位数和加权模式回归方法进行因果推理.
进行敏感性分析,包括异质性和性质评估,以确保结果的有效性.

主要成果:

门德尔的随机分析显示,维生素D水平和SUI之间没有统计学上显著的因果关系 (IVW OR:0.999,P=0.786).
在维生素D缺乏 (IVW OR: 1,000, P=0.646) 或维生素D补充剂 (IVW OR: 1,000, P=0.064) 与SUI之间没有发现因果关系.
没有观察到显著异质性或水平质的证据,这支持了研究结果的稳定性.

结论:

这项研究不支持维生素D状态和压力尿失禁之间的因果关系.
在观察性研究中观察到的关联可能是由于混因素或其他未测量的介质.
需要进一步的研究,包括临床试验,以充分阐明维生素D和SUI之间的复杂相互作用.

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