机器学习模型在预测30天通用医学阅读的性能与澳大利亚医院设置中的传统方法相比
Yogesh Sharma1,2, Campbell Thompson3, Arduino A Mangoni2
1Department of Acute and General Medicine, Flinders Medical Centre, Adelaide, SA 5042, Australia.
Healthcare (Basel, Switzerland)
|June 13, 2025
概括
传统的后勤回归模型在预测普通医疗患者30天再入院的情况方面表现与机器学习一样好,甚至比机器学习更好. 这一发现对于改善患者结果和通过准确识别高风险个体来降低医疗保健成本至关重要.
科学领域:
- 医疗保健服务研究 医疗服务研究
- 临床信息学 临床信息学
- 预测分析在医疗保健中的应用
背景情况:
- 再入院是医疗保健质量的重要指标,并影响患者的结果和成本.
- 传统的风险分层模型,如LACE指数,由于未捕获的非线性相互作用,可能存在局限性.
- 对于有针对性的干预措施来说,需要准确预测30天的通用医学再入院情况至关重要.
研究的目的:
- 将非线性机器学习 (ML) 模型的预测性能与渐进后勤回归 (LR) 和LACE指数进行比较.
- 评估各种模型在30天内对通用医学患者再入院风险分层的准确性.
- 找出最有效的方法来预测医院再接收在第三级护理环境.
主要方法:
- 追溯分析了澳大利亚一家三级医院的5371名成年普通医生入院情况 (2022年7月 - 2023年6月).
- 提取了32个变量,包括人口统计,并发症,先前的医疗保健使用,社会经济地位 (SES),实验室数据和脆弱性.
- 使用曲线下的面积 (AUC) 和DeLong的测试,逐步比较LR,LACE指数和ML模型 (LASSO,随机森林,XGBoost,ANN).
主要成果:
- 19.1%的入院导致30天的再入院;再入院的患者年龄较大,更脆弱,患有更多的并发症,SES较低.
- 后勤回归 (AUC=0.62) 显示了与LACE指数 (AUC=0.61) 和ML模型 LASSO (AUC=0.63),随机森林 (AUC=0.60) 和ANN (AUC=0.60) 的性能可比.
- 后勤回归显著优于XGBoost (AUC=0.55) (p < 0.05),表明传统方法的稳定性.
结论:
- 大约五分之一的通用医学患者经历了30天的再入院.
- 循序渐进的物流回归证明了与该队列的机器学习模型相比,可比或优越的预测性能.
- 传统的后勤回归仍然是一般医学的再接收风险预测的宝贵工具.
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