儿童结核病综合治疗决策算法:建模诊断性能和成本
Mary Gaeddert1, Devan Jaganath2,3, Abdulkadir Civan1
1Department of Infectious Diseases and Tropical Medicine, University Hospital Heidelberg, Heidelberg, Germany.
medRxiv : the preprint server for health sciences
|June 30, 2025
概括
儿童结核病 (TB) 的治疗决策算法 (TDA) 显示出高灵敏度但低特异性. 在乌干达的初级卫生保健机构 (PHC) 实施胸部X射线 (CXR) 的TDA是提高结核病诊断的成本效益.
科学领域:
- 公共卫生 公共卫生
- 医学诊断 医学诊断 医学诊断
- 卫生经济学 卫生经济学
背景情况:
- 儿童结核病 (TB) 诊断需要改进的策略.
- 治疗决策算法 (TDA) 为10岁以下的儿童开发,有和没有胸部X射线 (CXR).
- 模拟了乌干达初级医疗保健 (PHC) 和地区医院 (DH) 设置中TDA的实施情况.
研究的目的:
- 为了建模儿童结核病TDAs的诊断性能.
- 评估与在不同的医疗保健环境中实施TDAs相关的成本.
- 为了比较各种诊断测试组合的成本效益.
主要方法:
- 使用决策树模型来模拟TDA路径.
- 六个场景结合了PHC和DH水平的诊断测试 (Xpert,尿液LAM,CXR).
- 蒙特卡洛模拟评估了诊断准确性和每次正确治疗决定的成本,从卫生系统的角度来看,对10,000名儿童进行了评估.
主要成果:
- TDAs表现出高灵敏度 (80.8-91.9%),但特异性较低 (51.2-60.9%).
- 总成本从I$1,768,958到I$2,458,790不等,这是由于对错误阳性结果的过度处理造成的.
- 在PHC的移动CXR产生了最低的每治疗决策成本 (I$287.40).
结论:
- 在儿童结核病诊断方面,TDA具有很高的灵敏度.
- 在PHC设置中的实施比在DH设置中更具成本效益.
- 提高特异性和减少过度处理是负担得起的大规模TDA部署的关键.
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