循证医学数据库.ppt

1OvidSPIntroduction

Flexible.Innovative.Precise.WilliamChow周达2009Clin-eguideEBMR

Full-TextEvidenceBasedMedicineReviews

循证医学数据库

References

TheCochraneCollaborationAninternationalorganisationthataimstohelppeoplemakewell-informeddecisionsabouthealthcarebypreparing,maintainingandpromotingtheaccessibilityofsystematicreviewsoftheeffectsofhealthcareinterventionsGoalToensurehighquality,up-to-datesystematicreviewsareavailableacrossabroadrangeofhealthcaretopics

BritishepidemiologistBestknownforhisinfluentialbook,EffectivenessandEfficiency:RandomReflectionsonHealthServicespublishedin1972效果与效率:健康服务中的随机反应Theprincipleshesetoutinitsoclearlywerestraightforward:hesuggestedthat,becauseresourceswouldalwaysbelimited,theyshouldbeusedtoprovideequitablythoseformsofhealthcarewhichhadbeenshowninproperlydesignedevaluationstobeeffective

7Createdbytheparticipantswithintheinternational~7,000-memberCochraneCollaborationAnalysisandcommentaryonclinicaltrialsApproximately65%completedsystematicreviews(and35%protocols).UpdatedquarterlyLinkstoandfromMEDLINEandJournals@OvidEasyaccesstosummarizedinformationonclinicaltrials

SystematicReviewProcessComprehensiveTopicSearchQualityScreeningMeta-AnalysisTopicReviewStructuredprocessinvolvingseveralsteps: Wellformulatedquestion Comprehensivedatasearch Unbiasedselectionandabstractionprocess Criticalappraisalofdata Synthesisofdata

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