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Predicting Complicated Appendicitis: What Can Machine Learning Add?

delete2026-08-30
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DOI:10.3390/diagnostics16162644delete
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摘要

摘要

En 中文
背景/目的:儿童复杂阑尾炎的早期识别仍然具有挑战性。我们开发了并内部验证了基于年龄和常规入院实验室数据的用于严重程度分层的实验室机器学习模型。方法:这项回顾性研究纳入了2020年至2024年间接受手术治疗并经手术确诊的628例儿童阑尾炎患者。复杂阑尾炎根据手术或病理证据显示穿孔、坏疽、脓肿、炎性包块、弥漫性腹膜炎或类似进展性炎症来定义。评估了15个候选预测因子,使用五个预设模型。模型在训练集上进行调优,并在隔离的测试集上评估一次。进行了成对DeLong比较、决策曲线分析、SHAP和置换重要性分析。结果:93例患者(14.8%)发生复杂阑尾炎。预设的CatBoost主要模型达到ROC AUC为0.867,精确-召回AUC为0.677,灵敏度为0.750,特异度为0.863,阳性预测值为0.488,F1得分为0.592。正式比较在Holm校正后未显示AUC优于其他算法。探索性决策曲线分析显示,在阈值概率0.06~0.35范围内,相比“治疗所有”和“不治疗”策略具有更大的净获益。ESR、年龄、CRP和CRP衍生指数是最具影响力的模型特征。结论:常规实验室数据可能为严重程度分层提供辅助信息,但事件数量有限、阳性预测值较低以及缺乏外部验证,限制了其单独的临床应用。
Keyword:
pediatric appendicitis
machine learning
explainable AI

期刊

Diagnostics 封面图
Diagnostics
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论文数:
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被引数:
3.6W

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kocaeli sehir hastanesi
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论文数: 2
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kocaeli university
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论文数: 581
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引用论文

引用论文

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