循证医学数据库ppt课件.ppt

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1、OvidSPIntroductionFlexible.Innovative.Precise.WilliamChow周达2009Clin-eguide&EBMR1Full-TextEvidenceBasedMedicineReviews循证医学数据库2References3TheCochraneCollaborationAninternationalorganisationthataimstohelppeoplemakewell-informeddecisionsabouthealthcarebypreparing,maintainingandp

2、romotingtheaccessibilityofsystematicreviewsoftheeffectsofhealthcareinterventionsGoalToensurehighquality,up-to-datesystematicreviewsareavailableacrossabroadrangeofhealthcaretopics4ArchibaldCochrane5ArchibaldCochraneBritishepidemiologistBestknownforhisinfluentialbook,<

3、venessandEfficiency:RandomReflectionsonHealthServices>>publishedin1972<<效果与效率:健康服务中的随机反应>>Theprincipleshesetoutinitsoclearlywerestraightforward:hesuggestedthat,becauseresourceswouldalwaysbelimited,theyshouldbeusedtoprovideequitablythoseformsofhealthcarewhichhadbeenshowninpro

4、perlydesignedevaluationstobeeffective6CochraneDatabaseofSystematicReviewsCreatedbytheparticipantswithintheinternational~7,000-memberCochraneCollaborationAnalysisandcommentaryonclinicaltrialsApproximately65%completedsystematicreviews(and35%protocols).UpdatedquarterlyLinkstoan

5、dfromMEDLINEandJournalsOvidEasyaccesstosummarizedinformationonclinicaltrials7SystematicReviewProcessComprehensiveTopicSearchQualityScreeningMeta-AnalysisTopicReviewStructuredprocessinvolvingseveralsteps:WellformulatedquestionComprehensivedatasearchUnbiasedselectionandabstrac

6、tionprocessCriticalappraisalofdataSynthesisofdata8循证医学证据的主要来源910111213141516171819Clin-eguide2021222324252627282930313233343536373839404142434445464748495051525354ImportantLinksOvidSPResourceCenterresourcecenter.ovidspOvidWebsiteovidTrainingEvaluationovid/site/docs/eval-form

7、-chinese.doc55ThankYou!5657ImportantLinksOvidSPResourceCenterresourcecenter.ovidspOvidWebsiteovidTrainingEvaluationovid/site/docs/eval-form-chinese.doc58ThankYou!59