预后营养指数与慢性阻塞性肺部疾病重症患者的死亡风险之间的关联:一项回顾性研究
1Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China.
较高的预后营养指数 (PNI) 水平与重症慢性阻塞性肺病 (COPD) 患者的较低死亡率有关. 这一发现突出了PNI的发现.
科学领域:
- 关键护理医学 关键护理医学
- 肺部病理学 肺部病理学
- 营养科学 营养科学
背景情况:
- 预后营养指数 (PNI) 评估免疫和营养状况,显示各种疾病的预后价值.
- 在重症慢性阻塞性肺病 (COPD) 患者中,PNI的预后作用尚未确立.
- 这项研究旨在澄清PNI与该患者群体结果之间的关联.
研究的目的:
- 研究重症慢性肺炎患者的PNI水平和死亡率之间的关系.
- 评估PNI作为这一队列中死亡率的潜在预测因素.
主要方法:
- 来自MIMIC-IV数据库的1,250名重症COPD患者的回顾性分析.
- 患者按PNI分类;28天和90天的死亡率作为初级/二级结局.
- 统计分析包括限制立方线,考克斯回归,卡普兰-梅尔曲线,ROC分析和名ogram开发.
主要成果:
- 较高的PNI水平与28天和90天死亡率显著降低相关 (HR < 1,P < 0.001).
- 在28天死亡率 (AUC:0.61) 中,PNI显示出预测效用.
- 结合PNI和其他特征的诺米图显示出强大的预测准确性 (AUC:0.712).
结论:
- 升高的PNI与重症COPD患者的死亡风险降低有关.
- PNI作为一个有价值的预后标记,用于预测这个患者群体的结果.
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