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ID:32059165
大小:10.16 MB
页数:58页
时间:2019-01-31
《基于概率主题模型的诊断治疗行为变化趋势检测与分析》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、万方数据浙江大学硕士学位论文AbstractC1inicalpamwayS(CPs),aSmultidisciplina巧careplansthatdetailst11ecarest印sinappropriatetimestan叩stohelppatientswi廿1aspeci6cconditionorasetofs如叩toms,areplayingsi盟ificantr01esinmedeliVe巧ofhi曲qualityandcost-e疏CtiVehealmservices.MedicalbehaViorSke印i
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4、p撕entcases,pieceaRerpiece.obviously'itcaIlbeaVe巧time-consumingandtediousprocess.Intllisregard,Ⅱlisstlldyproposesanautomatic印proach,wllichbasedonprobabilistictopicmodelandstatisticalanalySis,todiscoVera11daIlalyzetheeV01vingtrendsofsi嘶ficalltmedicalbehaViors.Indeta
5、il,meproposed印proaChisconsistedof4st印s.FirstlMbasedonmeestablishedclimcalte咖dictionary,a11memedicalbehaViorsinpatientcarejoumeys,eX臼.actedf而mtheelectronicmedicalrecords(EMRs),arem印pedintouI】ifiedabstractionleVels.Then,we印plyaprobabilistictopicmodel,i.e.,LatentDiri
6、砌eta110cation(LDA),todiscloseyearly仃eatIllentpattemswithregardtotherisks缸嘶ficationofpatients仔omala唱eVol啪eofEMRs.Subsequently’me“olVing仃endsofye砌yoccun血gprobabilitiesofmedicalbeh撕orsincorresporlding仃ea仃nentpattemscanbeclusteredintosixcontenteVolVementpattems(i.e.,孕
7、owing,declining,up-down,down-up,steady,a11djumping)andthreeoccurringtimeevolVementpattems(i.e.,early-implemented,steady-implementedanddelay-implemented).Finally,asi鲥jficallceanalysismethod,i.e.,runtestisadoptedtodiscoVerthesi盟ificantlychangedmedicalbehaViorsofresp
8、ectiVetreatmentpattems.Oncesi嘶6cantlychallgedmedicalbehaViorshaVebeend舐Ved,mereleVancyofthesemedicalbehaViors,computedf.romcorrelationanalysismethod,can
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