目的应用分类决策树(classification and regression tree,CART)算法构建胸片鉴别新生儿透明膜病及湿肺病的诊断模型,探讨多种临床及影像因素对肺透明膜病及湿肺病的诊断价值。方法病例为2008年1月～2010年12月间经过临床及影像证实的...目的应用分类决策树(classification and regression tree,CART)算法构建胸片鉴别新生儿透明膜病及湿肺病的诊断模型,探讨多种临床及影像因素对肺透明膜病及湿肺病的诊断价值。方法病例为2008年1月～2010年12月间经过临床及影像证实的新生儿肺透明膜病43例、湿肺病48例。分别提取和上述两种疾病有关的6个临床指标和7个影像学指标作为CART预测新生儿肺透明膜病及湿肺病的变量。用CART建立两者鉴别诊断的分类决策模型,并通过交互验证方法计算该模型的诊断可靠性。同时比较高年资医师与CART诊断结果的一致性。结果建立的CART诊断模型共有九条诊断路径,能够比较可靠区分新生儿肺透明病及湿肺病;模型揭示对区分两者最具价值的X线征象是:支气管气像、孕周、毛玻璃样改变和水平裂的出现。另外,统计分析显示,CART模型和高年资医师对两种疾病诊断的一致性分别是中度一致(湿肺病,Kappa值为0.553)和较高度一致(肺透明膜病,Kappa值为0.628)。结论分类决策树算法可以应用于新生儿的肺透明病及湿肺病的鉴别诊断。展开更多
Based on the characteristics of the epidemic situation and the authors’understanding of the related ancient books and documents,this paper explores the etiology and pathogenesis of Corona Virus Disease 2019(COVID-19)...Based on the characteristics of the epidemic situation and the authors’understanding of the related ancient books and documents,this paper explores the etiology and pathogenesis of Corona Virus Disease 2019(COVID-19)from 5 aspects:abnormal climate in"warm winter",unique geographical location,pathogenesis evolution of cold and dampness mixed with insidious dryness,transmission and change of"triple energizer"of toxic pathogens,and game between healthy Qi and toxic pathogens.Combined with the special treatment of traditional Chinese medicine(TCM),the purpose is to make a modest contribution to curbing the epidemic situation with TCM.展开更多
文摘目的应用分类决策树(classification and regression tree,CART)算法构建胸片鉴别新生儿透明膜病及湿肺病的诊断模型,探讨多种临床及影像因素对肺透明膜病及湿肺病的诊断价值。方法病例为2008年1月～2010年12月间经过临床及影像证实的新生儿肺透明膜病43例、湿肺病48例。分别提取和上述两种疾病有关的6个临床指标和7个影像学指标作为CART预测新生儿肺透明膜病及湿肺病的变量。用CART建立两者鉴别诊断的分类决策模型,并通过交互验证方法计算该模型的诊断可靠性。同时比较高年资医师与CART诊断结果的一致性。结果建立的CART诊断模型共有九条诊断路径,能够比较可靠区分新生儿肺透明病及湿肺病;模型揭示对区分两者最具价值的X线征象是:支气管气像、孕周、毛玻璃样改变和水平裂的出现。另外,统计分析显示,CART模型和高年资医师对两种疾病诊断的一致性分别是中度一致(湿肺病,Kappa值为0.553)和较高度一致(肺透明膜病,Kappa值为0.628)。结论分类决策树算法可以应用于新生儿的肺透明病及湿肺病的鉴别诊断。
基金the funding support from the National Natural Science Foundation of China(No.81774126)Hunan Provincial Innovation Foundation for Postgraduate(No.CX2018B481)Program for First-class Disciplines of Hunan Province in the Direction of Traditional Chinese and Western Medicine(No.2018ZXYJH20).
文摘Based on the characteristics of the epidemic situation and the authors’understanding of the related ancient books and documents,this paper explores the etiology and pathogenesis of Corona Virus Disease 2019(COVID-19)from 5 aspects:abnormal climate in"warm winter",unique geographical location,pathogenesis evolution of cold and dampness mixed with insidious dryness,transmission and change of"triple energizer"of toxic pathogens,and game between healthy Qi and toxic pathogens.Combined with the special treatment of traditional Chinese medicine(TCM),the purpose is to make a modest contribution to curbing the epidemic situation with TCM.
