世界贸易中心的集群分析 相关的下呼吸道疾病
Rafael E de la Hoz1, Yunho Jeon, John T Doucette
1From the Divisions of Occupational and Environmental Medicine (R.E.D., Y.J.), and Biostatistics (J.T.D.), Icahn School of Medicine at Mount Sinai, New York, NY; School of Electrical and Computer Engineering, Cornell University, Ithaca, NY (A.P.R.); Department of Radiology, Brigham and Women's Hospital, Boston, MA (R.S.J.E.); and Division of Pediatric Pulmonary Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA (J.C.C.).
集群分析在世界贸易中心 (WTC) 工作人员中发现了明显的慢性下呼吸道疾病表型. 这些发现强调了低强迫活力能力 (FVC) 和慢性阻塞性肺病 (COPD) 作为关键的长期健康结果.
科学领域:
- 肺部医学 肺部医学
- 环境健康 环境健康
- 数据科学数据科学数据科学
背景情况:
- 慢性下呼吸道疾病在前世界贸易中心 (WTC) 工人中很普遍.
- 这些条件的异质性需要先进的分类方法.
- 长期监测数据提供了关于疾病进展的见解.
研究的目的:
- 使用集群分析对WTC工人慢性下呼吸道疾病进行分类.
- 在没有先验假设的情况下识别不同的疾病表型.
- 了解WTC暴露人口的长期呼吸健康状况.
主要方法:
- 应用到定量计算机断层扫描 (QCT) 和螺旋计数据的K原型集群分析.
- 选择311名WTC工人,提供完整的临床和成像数据.
- 差距测量用于确定最佳集群数量 (五个).
主要成果:
- 确定了五种不同的慢性下呼吸道疾病集群.
- 集群5代表了最健康的个人.
- 集群表明不同程度的低强迫生命能力 (FVC),慢性阻塞性肺病 (COPD) /COPD前期,以及快速呼吸量下降,特别是在集群1,2,3和4中.
结论:
- 集群分析成功地在WTC工人中界定了明显的慢性下呼吸道疾病表型.
- 低FVC和COPD/COPD前期出现了显著的长期健康结果.
- 这些已识别的表型对于有针对性的监测和管理策略至关重要.
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