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ID:33931915
大小:2.36 MB
页数:63页
时间:2019-02-27
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1、propagation(BP)networkonanalyzingtheriskfactorsofuterinemyomas.3.Tendencystudy:BPnetworkwereusedtotrainingsettopredicttheprevalencerateofuterinemyomas,inordertofindtherelationshipbetweenthecrucialfactorsandprevalencerateofuterinemyomas,andtogivecluesforpopulationp
2、reventionofuterinemyomas.Objectives1.TodescribethemorbidityandthepopulationcharacteristicsofuterineleiomyomasamongwomeninShenyang;toanalyzetherelatedinfluencingfactorsofuterineleiomyomas,andfindouttheriskfactorsofuterineleiomyomasmorbidityfromwomen’Sreproductivehe
3、althcondition,workingconditions,livinghabits,sexualactions,emmeniaandreproductivehistory,contraceptivemethods,etc;andtoprovidethereasonableproofsofpreventingandcontrollinguterinemyomas.2.BycompareingwithLogisticregressionanalysis,toevaluatethevalueofabackonanalyzi
4、ngtheriskfactorsofuterinemyomas.3.ToevaluatetheapplyingvalueofBPnetworkinuterinemyomasprediction,inordertoexploretherelationshipbetweenthecrucialfactorsandprevalencerateofuterinemyomas,andtogivecluesforpopulationpreventionofuterinemyomas.Methods1.Usingstratifiedra
5、ndomsamplingmethod,1260womenweresurveyedbyquestionnaire,weacquiredtheprevalenceofuterineleiomyoma,1:2matchedcase-controlstudyWasusedtoexploretheinfluentialfactorsofUterinemyomas.Thestatisticsmethodsincludedthematched矿test,univariateanalysis,andconditionalmultinoma
6、lLogisticregressionanalysis.2.1:2matchedcase·controlstudywasconductedwith112casesofuterinemyomas.NeuralnetworktoolsboxofSoftwareMATLAB6.5WasusedtotrainandsimulateBPartificialnetwork.Analyzedthemeanimpactvalue(MIV)foreachinputvariables,andcompared谢thmultipleLogisti
7、cregressionanalysisandlog-linearmodelforinteractionbetweenfactors.3.ThedataofuterinemyomasinShenyangfrom1993to2005wereusedasa6trainingsettopredicttheprevalencerateofuterinemyomas.NeuralnetworktoolsboxofSoftwareA缸虹LAB6.5wasusedtostructure,trainandsimulateBPArtifici
8、alNeuralNetwork.Results1.Morbidityofuterinemyomas:1260womenweresurveyedinthisstudy.112ofthemwereuterinemyomaspatients.Theaveragemorbidityrateofuterinemy
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