一种用于预测住院老年人营养不良风险的诺姆图:一项回顾性研究
Qianwen Jiang1, Feika Li1, Gang Xu2
1Department of Geriatrics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
BMC geriatrics
|May 16, 2025
概括
这项研究开发了一种名谱来预测住院老年人营养不良风险. 该模型使用BMI,心力衰竭,虚弱和血红蛋白,显示了早期识别和管理的高准确性.
科学领域:
- 老年医学 老年医学
- 临床营养学 临床营养学
- 生物统计学 生物统计学
背景情况:
- 营养不良很常见,在住院的老年人中经常被忽视.
- 它显著增加了不良结果和死亡率的风险.
- 早期识别和管理对这一群体至关重要.
研究的目的:
- 确定住院老年患者营养不良的预测因素.
- 开发和验证一个用于预测营养不良风险的名字图.
- 为临床实践中早期风险分层提供一个工具.
主要方法:
- 对中国456名住院老年人的回顾性研究.
- 使用最小绝对收缩和选择运算符 (LASSO) 和后勤回归来选择预测因素.
- 使用ROC曲线,C指数,校准曲线和决策曲线分析 (DCA) 验证了名图.
主要成果:
- 确定了四个独立的预测因素:BMI,心力衰竭,虚弱和血红蛋白.
- 诺米图实现了高预测性能,其C指数为0.906.
- 该模型通过DCA证明了优异的校准和有利的临床实用性.
结论:
- 多维名图有效预测中国住院老年人营养不良风险.
- 该模型为早期识别高风险个体提供了实用和准确的方法.
- 这种工具可以帮助临床医生及时进行干预,并改善患者的治疗结果.
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