儿童结核病综合治疗决策算法:建模诊断性能和成本
M Gaeddert1, D Jaganath2,3, A Civan1
1Department of Infectious Diseases and Tropical Medicine, University Hospital Heidelberg, Heidelberg, Germany.
IJTLD open
|January 26, 2026
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中心 (PHC) 使用移动胸部X射线 (CXR) 实施TDA,为儿童诊断结核病提供了最具成本效益的方法.
科学领域:
- 公共卫生 公共卫生
- 传染病诊断 传染病诊断 传染病诊断
- 卫生经济学 卫生经济学
背景情况:
- 儿童结核病 (TB) 诊断需要为10岁以下的儿童改进工具.
- 治疗决策算法 (TDAs) 已与胸部X射线 (CXR) 配合或不配合开发,以帮助诊断.
- 乌干达初级卫生中心 (PHC) 和地区医院 (DH) 的TDA的实施成本和诊断性能被建模.
研究的目的:
- 在乌干达的PHC和DH环境中模拟实施TDA的诊断性能和成本.
- 在TDA中比较各种诊断测试组合.
- 评估儿童结核病不同TDA实施策略的成本效益.
主要方法:
- 决策树模型被用来模拟TDA途径,用于诊断1万名儿童的结核病.
- 在PHC和DH评估了6种结合诊断测试 (Xpert,尿液LAM,CXR) 的情景.
- 蒙特卡洛模拟评估了诊断准确性和每次正确治疗的成本 - 从卫生系统的角度来看,正确的治疗决定.
主要成果:
- 在所有情景中,TDAs表现出高灵敏度 (80.8%-91.9%),但低特异性 (50.9%-60.9%).
- 总成本从I$1,768,958到I$2,470,298不等,假阳性的过度处理是主要的成本驱动因素.
- 医疗保健中心的移动CXR产生了最低的每治疗决定成本 (I$287),而DH转诊最高 (I$449).
结论:
- 在儿童结核病诊断方面,TDAs具有很高的灵敏度,并且在PHC比DHs更具成本效益.
- 提高特异性和降低过度处理成本对于负担得起的,大规模的TDA实施至关重要.
- 移动CXR集成到卫生保健中心的TDA中,为经济高效的儿童结核病诊断提供了一个有希望的战略.
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