老年人营养风险指数与勃起功能障碍有关
Youqi Lu1, Yang Cai2, Yuling Zhi3
1Department of Orthopedics, Minzu Hospital of Guangxi Zhuang Autonomous Region, Nanning, China.
Medicine
|February 13, 2026
概括
更高的老年营养风险指数 (GNRI) 与老年人勃起功能障碍 (ED) 的风险较低有关. 这项研究发现,GNRI是ED发生的可靠预测指标.
科学领域:
- 老年医学 老年医学
- 营养科学 营养科学
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
背景情况:
- 老年营养风险指数 (GNRI) 是评估老年人营养状况的关键工具.
- 勃起功能障碍 (ED) 是一种常见的疾病,影响老年男性,与整体健康有潜在的联系.
研究的目的:
- 调查老年营养风险指数 (GNRI) 与发生勃起功能障碍 (ED) 的风险之间的关联.
- 确定GNRI是否可以作为老年人群中ED的预测标记.
主要方法:
- 利用多个线性和逻辑回归模型来分析1898名参与者的GNRI和ED风险之间的关系.
- 采用平滑曲线拟合来评估非线性关联,并进行子组分析,相互作用测试和强度敏感性分析.
- 使用接收器操作特征 (ROC) 曲线分析评估了GNRI对ED发生的预测能力.
主要成果:
- 在GNRI和ED风险之间观察到显著的负相关性;GNRI增加1个单位与ED风险下降4%相关 (OR=0.96).
- 高GNRI组 (≥98) 个体与低GNRI组 (<98) 相比,ED风险降低了35%.
- ROC分析表明,GNRI在预测ED方面具有良好的预测能力,曲线下的面积为0.651.
结论:
- 较高的GNRI得分独立且可靠地与老年人勃起功能障碍风险降低有关.
- 在老年人群中,GNRI显示出作为一个有价值的,非侵入性的工具来预测ED风险的潜力.
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