怎样阅读系统评价中meta分析树状图

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1、PROFESSIONALPRACTICEInterpretingandunderstandingResearchmeta-analysisgraphsApracticalguideKarinRiedPhD,MSc,GDPH,isResearchFellow&PHCREDProgramManager,DisciplineofGeneralIdeally,clinicaldecisionmakingoughttobebasedmeta-analysisbeforedivingintothefinepointsofthePractice,TheUniversity

2、ofonthelatestevidenceavailable.However,tokeepmeta-analysisresultsanddrawingconclusionsonpatientAdelaide,SouthAustralia.abreastwiththecontinuouslyincreasingnumberoftreatment.Table1canguidetheassessment.karin.ried@adelaide.edu.aupublicationsinhealthresearch,aprimaryhealthcareMeta-anal

3、ysisgraphsprofessionalwouldneedtoreadanunsurmountablenumberofarticleseverydaycoveredinmorethan13Meta-analysisresultsarecommonlydisplayedgraphicallymillionreferencesandover4800biomedicalandhealthas‘forestplots’.Figures1and2giveexamplesofmeta-journalsinMedlinealone.1Withtheviewtoaddre

4、ssanalysisgraphs.Figure1illustratesagraphwithabinarythischallenge,thesystematicreviewmethodwasoutcomevariablewhereasFigure2depictsaforestplotdeveloped.2Thisarticleprovidesapracticalguideforwithacontinuousoutcomevariable.Somefeaturesofappraisingsystematicreviewsforrelevancetoclinical

5、meta-analysesusingbinaryandcontinuousvariablesandpracticeandinterpretingmeta-analysisgraphsaspartoutcomemeasuresarecomparedinTable2.ofquantitativesystematicreviews.Themajorityofmeta-analysescombinedatafromrandomisedcontrolledtrials(RCTs),whichcomparetheAsystematicreviewisasynthesiso

6、fprimaryresearchoutcomesbetweenaninterventiongroupandacontrolstudiesinvestigatingaclearlyformulatedclinicalquestiongroup.Whileoutcomesforbinaryvariablesareexpressedusingsystematic,explicitandreproduciblemethods.Theasratios,continuousoutcomesmeasuresareusuallyCochraneLibraryisprobabl

7、ythemostcomprehensiveexpressedas‘weightedmeandifference(WMD)’inmeta-collectionofregularlyupdatedsystematicreviewsintheanalyses(Table2).healthfieldandisfreelyaccessibleinAustralia.3Thedetailsofthemeta-analysisarecommonlySomesystematicreviewsqualifyforaquantitativedisplayedabovethegra

8、ph:statisticalsumma