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How To Extract Quantitative Data For Systematic Review And Meta-Analysis – Pubrica

Process involved in the data extraction for Meta-Analysis and Systematic Review:<br>How to extract the data for the management of Superior Mesenteric Artery Syndrome (SMAS)?<br>Risk of bias (quality) assessment)<br>Example of a PRISMA diagram used for data extraction <br><br>Continue Reading: https://bit.ly/3nLlKjD <br>For our services: https://pubrica.com/services/research-services/meta-analysis/<br>

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How To Extract Quantitative Data For Systematic Review And Meta-Analysis – Pubrica

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  1. HOW TO EXTRACT QUANTITATIVE DATA FOR SYSTEMATICREVIEWAND META-ANALYSIS AnAcademicpresentationby Dr.NancyAgnes,Head,TechnicalOperations,Pubrica Group: www.pubrica.com Email:sales@pubrica.com

  2. Today'sDiscussion Outline Introduction ProcessInvolvedintheDataExtractionforMeta-Analysis andSystematicReview ToolsforDataExtraction Conclusion

  3. Introduction Thedataextractionistheessentialand primary protocol for conducting a systematic reviewandmeta-analysis. Inordertohelp,thisblogpostwillintroduce youtotheprocessinvolvedinthedata extraction for conductinga systematic review andmeta-analysis. Contd...

  4. Ameta-analysisoftenaccompaniessystematicreview. It involves using statistical methods and techniques to pool the data from many studieson aparticular topicto generatesingle quantitativedata. Thisgeneratesanestimatewhichismorepotentthanconventionalhypothesistesting. Itgeneratesinferencesthataremorereliablethanreportedbyindividualstudies. Aquantitative,formal,epidemiologicalstudydesignwillbefollowedforperforminga meta-analysis.

  5. ProcessInvolvedintheData ExtractionforMeta-Analysis andSystematicReview PROCESSFLOW: Definethereviewquestionandestablishcriteriafor includingstudies inthereview Searchforstudiesthatanswerthereviewquestion Choosestudiesthatmeetthereviewcriteria Contd...

  6. Extractdatafromincludedstudies Assessthepossibilityofbiasinincludedstudiesbyobjectivelyevaluatingthem Evaluatetheincludeddatabyconductingmeta-analyseswhereapplicable Addressreportingbiases SEARCHSTRATEGY: VariousdatabasesareavailableforthearticlesscreeningfortheSystematicReview andMeta-Analysis, includingMEDLINE,PubMed,ScopusandCochrane databases. Contd...

  7. Eachdatabaseishavingadifferentsearchstrategyprocedureforarticlescreening.Eachdatabaseishavingadifferentsearchstrategyprocedureforarticlescreening. ThemostcommonlyusedsearchstrategywasMedicalSubjectHeadings(MeSH) terms(Appendix 2). Below we have provided the example of the articles screening process for the systematicreview and Meta-Analysis. EXAMPLE: Question: How to extract the data for the management of Superior Mesenteric ArterySyndrome (SMAS)? Contd...

  8. Differentcombinationsofkeywordswillbeusedforthesearchstrategiesand medical subject headings (MeSH) to generate two subsets of citations: one for SMAS,usingtheMeSHandtermslike“SMAS”,“SMAsyndrome”,“superior mesenteric artery syndrome” and the other for its management using terms and MeSHlike surgery, resection,bypass etc. Tosearchotherdatabases,thekeywordswerechangedaccordingtoeach database’ssearchingprotocol,includingmanagementofSMAS“Superior mesentericarterysyndrome”,“Wilkiesyndrome”,“Castsyndrome”,“mesenteric duodenal compression syndrome”, “chronic duodenal ileus”. Bibliographic sources willbe screened. Contd...

  9. After that read sample papers related to SMAS management to identify the variables. Freeze template using the variables for SMAS methodology, characteristics, therapeutics,etc. Contd...

  10. DATA EXTRACTION TEMPLATE: Contd...

  11. RISKOFBIAS(QUALITY)ASSESSMENT) Qualityassessmentwillbeperformedaspartofthedataextractionprocess. Two independent reviewers will critically appraise included studies to assess the riskofbiasusing theQualityof HealthEconomicStudies(QHES) tool.

  12. ToolsforDataExtraction Contd...

  13. Contd...

  14. EXAMPLEOFAPRISMADIAGRAMUSEDFORDATAEXTRACTION PRISMA focuses on how authors can ensure that systematic reviews and meta- analysesare transparent andcomplete. It does not discuss the conduct of systematic reviewsexplicitly or in-depth, but thereare other resources available. Pubrica develops the PRISMAstatement and this explanatory document to help authorsreportawidearrayofsystematicreviewstoassessthebenefitsandharms. Contd...

  15. When reporting systematic reviews of non-randomized trials evaluating the benefits andharmsofinterventions,weconsiderseveralofthechecklistitemssignificant. Werecognizethatauthorswhoanswerconcernsaboutaetiology,diagnosis,or prognosisandwhoreviewepidemiologicalordiagnosticaccuracyresearch,for example,willneedtochangeorincludeadditionalitemsintheirsystematicreviews. Contd...

  16. Conclusion Infuture,toobtainthesolutionforaproblem statement, the hurdles of analytics can be minimized byData extraction. Without data extraction, systematic reviews and meta- analysisproposalsthrewmanyhumanerrorsin manipulationandcalculationsinearlierdays. TheevolutionofDataextractionscrutinizesand maintainingthereliabilityofdataintheexistingstudies.

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