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Updated: Sep 11, 2025

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Oral Health Assessment by Lay Personnel for Older Adults
Published on: February 2, 2020
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[老年人营养风险指数与认知功能之间的关系:基于NHANES数据库的横截面研究]
Long Wang1, Na Wang2, Weihua Li3
1Department of General Medicine, First Affiliated Hospital of Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China.
Zhonghua wei zhong bing ji jiu yi xue
|August 17, 2025
概括
老年营养风险指数 (GNRI) 与老年人更好的认知功能有关,包括处理速度和注意力. 这种营养标志物可能有助于预测老年人群的认知健康结果.
科学领域:
- 老年医学 老年医学
- 营养科学 营养科学
- 认知神经科学 认知神经科学
背景情况:
- 营养状况对于老龄人口的认知健康至关重要.
- 老年营养风险指数 (GNRI) 是评估老年人营养状况的有效工具.
- 了解营养和认知之间的联系可以为支持健康衰老的干预提供信息.
研究的目的:
- 研究老年营养风险指数 (GNRI) 与60岁及以上成年人认知功能之间的关联.
- 确定GNRI是否可以作为认知表现的预测指标.
主要方法:
- 一项采用国家健康和营养检查调查 (NHANES) 数据库 (1999-2002年和2011-2014年) 的数据进行的横截面研究.
- 参与者被分为三个GNRI风险组:中高风险,低风险和无风险.
- 认知功能使用包括数字符号替换测试 (DSST),动物流利测试 (AFT) 和建立阿尔茨海默氏病词语学习注册表联盟 (CERAD-WL) 等测试进行评估.
- 多因素物流回归分析用于识别与认知功能相关的因素.
主要成果:
- 对5033名参与者的分析显示,GNRI组之间的认知得分在统计学上有显著差异.
- 后勤回归表明,GNRI是认知功能的保护因素,特别是处理速度 (DSST),更高的GNRI与更好的性能相关 (OR=1.03,P=0.03对于2011-2014年的数据).
- 在各种子组中观察到GNRI和认知功能之间的显著关联,包括不同的年龄组,性别,种族,教育水平和婚姻状况.
结论:
- 老年营养风险指数 (GNRI) 证明了与处理速度,持续的注意力和执行功能至关重要的认知功能之间的相关性.
- 在老年人中,GNRI可以作为评估和预测认知功能的有价值指标.
- 这些发现强调了营养状况在老龄化期间保持认知健康的重要性.
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