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ǰλã1718ڿ >> ҽѧ >> ٴҽѧ
dz̸ѭ֤ҽѧٴҽѧչ/ѧķ

ؼʣѧķ η ְķվ

 

2070ں80,ڼôSackettںFletcherڵ˵Ŭ,дְٴоҽʵ,ԵؽвѧҽѧͳƵԭͷлٴҽѧ,չͷḻٴоķѧ,ִٴвѧ(clinical epidemiology)[1,2]һоٴҽѧķѧ,ýвѧͳѧٴѧҽѧѧԭͷĽٴоͽٴ,һٴҽѧĻΡ


 

ٴвѧҹ2080Ĵд1989ԻҽƴѧϺҽƴѧΪ׵йٴвѧ,1992лҽѧٴвѧרѧᡣȫ50ҽѧԺУٴвѧγ,д˽̲[3,4]ͨҽѧѧϰʽȫҽʦٴвѧԭͷ,ҹٴٴҽѧѧٴҽѧоԶӰ졣ѧݷӳҽѧģʽҽѧ--ҽѧģʽת,Ҳӳٴҽѧӹҽÿ˸תо˵Ⱥ塣ʮٴʵ,90Sackettȶ80ָҽʦĶҽѧ׵ġĶָϡ(reading guides)ԸĽ,ƶһµġʹָϡ(users guides)[5],ָϢʱӦҽѧеõϡơԤȵ֤ÿٴ,ˡѭ֤ҽѧ(evidence-based medicine www.1718qikan.com ,EBM)ĸ[6],ʹϵͳȫ硣


 

EBMõٴо֤ٴʵ(ٴ顢дٴ)Լ˼ֵ(ע)Ľ[7]EBMҪ¡ЧĿϢ,ָٴҽ˵ϷȷԤƺȫЧƷƲ,ЧʱǵԼЧEBMǿҽʦӦ˼ǵؽĿǰõ֤,ڶÿһ˽нʱľ,ʹṩҽƷĿǰܻõ֤ݻϡ
ԭ,ʹǶѭ֤ҽѧԽԽеҪ,ӶѸٷչ[8]


 

1.ÿٴҪ:дְ ճٴڶijһϻԲṩƷʱҪиݡرĿǰ˶ҽʦҽƵҪԽԽ,Ƶ֪ͬҪоݿɲ顣


 

2.Ҫõ֤:ûáµ֤,ǿܲùʱкϴʩdz̿ϵijλרҵΪָʵ̿ϵѾʱ,רҵĸҲһȷ˨ƷƼļ,70дٴ֤˷ڽͻڶ,һֱδƹӦ,ֱ̿ʮƼ÷һжƪо֤кķȱܽһֱڲ,࿨Ԥļ˵ʧ,ͨʧԼ,ʵʽ෴,дְ ˾70жٴҩʸڶղҩ,ֱʮĩĽ̿黹Ƽַ


 

3.Ҫõķṩ:2ҽѧ־,ÿ200ƪ·ͳ,ÿĶ19ƪҪ365ܽϿꡣÿλٴҽʦʮæ,ûʱ֤ݡϡ,ϣܶԲͬٴռ,,ṩ֤ݡ


 

4.ѧϰ;ĽϵҪ:д˶ʿijļĿӦٴҽʦԸ˴ʱʱҪ


 

5.ϣվڸǰ:µ֪ʶװԼ,ϼܼٴж֮ľ롣


 

6.ΪæٴҽʦԼʱ:Ϊڴṩ򵥵ijõȷĴ𰸡
MetaCochraneϵͳ(systematic review)Ͷҽѧ־(ڿҽʦ־ѭ֤ҽѧ־)ijԼơʵûϢѧϢת缼ĽںΪ֤ݺ͸õؿչѭ֤ҽѧ˿ܡ
ѭ֤ҽѧľĿǰѱҽѧ˼Ĵд˺͸ܡѭ֤ҽѧĽ̿鼰ο硰ѭ֤ϡѭ֤ߡѭ֤ѧѭ֤ڿѧѭ֤ѧѭ֤ѭ֤θβѧȾ̳档֮,һҽٴҽơԤáߡҽƱաҽҽѧ޲оȡõĿѧ֤Ϊѭ֤ҽѧѳΪҽѧԺУҽѧ޿γ,ͨѧϰۺͷ,ʹѭ֤ҽѧڲ鷿ۡѧѧоճҽʵеӦ,Ӷٽٴҽ
2090ٴвѧּǡɿٴݺЧʹԴ,ٽٴҽѧʵ,Ӷ񽡿ѭ֤ҽѧĿչǷ˴ּ,ѭ֤ҽѧٴвѧϷչ,Ҳٴвѧһֻ֡ٴвѧԭͷȷʵʩѭ֤ҽѧ
ҹչѭ֤ҽѧ𲽽׶,ͨרⱨ漰鼮[9]Լлҽѧ־ǵйٴвѧѭ֤ҽѧĽ,ڵҽʦŸ쵼˽Ⲣѭ֤ҽѧ,ҹٴвѧѧҲΪƹʵʩѭ֤ҽѧ1999,ҽƴѧйCochrane/ѭ֤ҽѧ,2000㶫Ҳѭ֤ҽѧƼ,ľѭ֤ҽѧ־ѭ֤ҽѧϺҲ2002ѭ֤ҽѧĿչٴҽѧչ𲻿ɹá
,ָĿǰѭ֤ҽѧƬ,Ϊijٴ(RCT)ΪƵݺָϾѭ֤ҽѧдְʵ,RCTӦ۱׼,ƺ,ִʱѧǿ,ҲӦԼ˵Ƿ,,ѭ֤ҽѧRCTMetaĽijЩ,ԼijɹƾͲһҪRCT


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