开发和内部验证基于TLR2的诺米克图,用于诊断2型糖尿病肺部感染
1Department of General Practice, The Fifth Clinical Medical College of Henan University of Traditional Chinese Medicine (Zhengzhou People's Hospital), Zhengzhou, China.
Frontiers in endocrinology
|March 6, 2026
概括
这项研究确定了关键的生物标志物,包括托尔类受体2 (TLR2),IL-6,TNF-α,ESR,年龄和糖尿病持续时间,用于诊断2型糖尿病患者的肺部感染. 一个开发出来的名图表显示了早期检测的高准确性.
科学领域:
- 免疫学 免疫学 免疫学
- 内分泌学 在内分泌学.
- 传染性疾病 传染性疾病
背景情况:
- 2型糖尿病 (T2DM) 患者容易感染,使管理复杂化.
- 在T2DM肺部感染可以加剧高血糖和炎症.
- 在T2DM肺部感染的早期和准确的诊断对于及时干预至关重要.
研究的目的:
- 调查Toll样受体2和4 (TLR2/4) mRNA表达在T2DM患者和没有肺部感染.
- 确定风险因素并开发T2DM肺部感染的诊断模型.
- 为了验证基于名录的模型的诊断性能.
主要方法:
- 一组239名T2DM患者被分为T2DM (n=128) 和T2DM肺部感染 (n=111) 组.
- 分析了TLR2/4mRNA水平,炎症标志物和临床数据.
- 使用LASSO回归和后勤回归来构建和验证诊断名图,并进行ROC曲线分析.
主要成果:
- 患有T2DM和肺部感染的患者显示TLR2/4mRNA,炎症标志物 (WBC,NEUT,hsCRP,PCT,ESR),禁食血糖和侵入性手术率 (P <0.05) 显著增加.
- 开发了一种结合TLR2,IL-6,TNF-α,ESR,年龄和糖尿病持续时间的诊断名录,其AUC为0.987.
- 内部验证证实了强大的性能,交叉验证的10倍AUC为0.980±0.006和良好的校准 (Hosmer-Lemeshow P>0.05).
结论:
- 在T2DM患者中,TLR2,IL-6,TNF-α,ESR,年龄和糖尿病持续时间作为早期肺部感染诊断的有效生物标志物.
- 开发的诺米图表表现出强大的诊断能力和潜在的临床实用性,用于在住院时识别T2DM肺部感染.
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