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目的:构建并验证儿童抽动障碍(tic disorders, TD)风险预测模型,为早期识别儿童抽动障碍提供依据。方法:采用病例对照设计,纳入336例TD患儿(TD组),168例健康体检儿童(对照组)。初筛28个变量,经单因素分析和LASSO筛选后保留21个变量。采用5种机器学习算法构建模型,通过10折交叉验证评估性能。结果:XGBoost模型曲线下面积(area under curve,AUC)最高0.898,LDA模型综合性能最优(准确度0.853,F1分数0.857)。特征重要性分析显示,家族抽动障碍史、母亲流产史和孕期不良生活史是最重要的预测变量。多因素Logistic回归分析进一步确认上述变量与TD的独立相关(均P<0.05)。结论:本研究基于机器学习构建的TD风险预测模型表现良好,关键预测因素涉及遗传、围产期及环境因素,可作为儿童抽动障碍早期筛查工具。
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基本信息:
DOI:10.19767/j.cnki.32-1412.2026.03.009
中图分类号:R749.94
引用信息:
[1]范亚丽,董梦琳,徐利琴,等.基于机器学习的儿童抽动障碍风险预测模型的性能评估与特征分析[J].交通医学,2026,40(03):269-274.DOI:10.19767/j.cnki.32-1412.2026.03.009.
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