可解释的机器学习模型用于预测持续性败血症相关的急性损伤:开发和验证研究
Wei Jiang1, Yaosheng Zhang2, Jiayi Weng3
1Department of Critical Care Medicine, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, China.
Journal of medical Internet research
|April 9, 2025
概括
一个机器学习模型准确地预测了持续性败血症相关的急性损伤 (SA-AKI). 这种可解释的梯度增强机器模型在早期SA-AKI预测中表现优于CCL14生物标志物.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 关键护理医学 关键护理医学
- 在医疗保健中的数据科学.
背景情况:
- 持续性败血症相关的急性损伤 (SA-AKI) 提出了重大的临床挑战和糟糕的结果.
- 早期和准确预测持续的SA-AKI对于及时干预至关重要.
研究的目的:
- 开发和验证可解释的机器学习 (ML) 模型,用于预测持续的SA-AKI.
- 为了比较ML模型的诊断性能与尿路生物标志物C-C动机化学因子连接体14 (CCL14) 的诊断性能.
主要方法:
- 利用了多个回顾和前性队列,包括MIMIC-IV,MIMIC-III和e-ICU数据库.
- 开发并验证了8ML算法,根据性能指标选择了一个梯度增强机 (GBM) 模型.
- 采用沙普利添加式解释 (SHAP) 进行模型解释,并开发了一个基于网络的临床应用程序.
主要成果:
- 使用12个关键临床特征的最终可解释的GBM模型,在内部和外部验证队列 (AUC从0.870到0.983) 中预测持续的SA-AKI方面表现出高准确性.
- 在前性队列中,GBM模型与尿路CCL14相比显示出更好的预测性能 (AUC=0.852对比0.821).
结论:
- 一个可解释的GBM模型有效地预测了持久的SA-AKI,在不同的队列中具有强大的验证.
- 开发的ML模型提供了一个有希望的替代方案,并且在临床环境中优于CCL14生物标志物来预测持续的SA-AKI.
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