画钟试验(CDT)定性研究各错误类别在痴呆亚型及其严重程度方面表现差异性分析

threegroups,whilethereisnodifferencebetweenthethreegroups.Chi.squaretestshowedthatamongfourgroups,sixerrortypesofqualitativeanalysisoftheCDTexceptsizeandPERareofstatisticallysignificantdifference.Inthegroupsofmild,moderateandseverecases,whichweredividedonthebasisofMMSEscore,theincidenceofthesixcategoriesoferrorinAD,VaD,ODgroupsandtotaldistributionincreasedastheseverityofdiseaseincreased.urves,thebestcutoffvaluefordiagnosisofADwithqualitativeanalysisoftheCDTwas15.5points(AUC=0.821),andsensitivityandspecificitywere70%and82%respectively.ThebestcutoffvalueforthediagnosisofVaDwas6.5points(AUC=0.837),andsensitivityandspecificitywere55%and97%respectivelyMoreover,thebestcutoffvalueforthediagnosisofcognitiveimpairmentwas6.5points(AUC=0.837),andsensitivityandspecificitywere70%and82%respectively6万方数据