근거수준별 문헌의 질 평가 도구

Tools for assessing methodological quality or risk of bias in randomized controlled trials (RCTs)and non-randomized studies (NRS) were reviewed. The van Tulder scale and Cochrane‘s assessment of risk of bias are the two most useful methodological quality evaluation tools for RCTs. Cochrane’s tool in...

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Bibliographic Details
Published in:Taehan Ŭisa Hyŏphoe chi 2011, 54(4), 615, pp.419-429
Main Authors: 임선미, 신인순, 이선희, 서경화, 정유민, 장지은
Format: Article
Language:Korean
Subjects:
기타의약학
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Summary:Tools for assessing methodological quality or risk of bias in randomized controlled trials (RCTs)and non-randomized studies (NRS) were reviewed. The van Tulder scale and Cochrane‘s assessment of risk of bias are the two most useful methodological quality evaluation tools for RCTs. Cochrane’s tool includes sequence generation, allocation of sequence concealment,blinding, incomplete outcome data, selective outcome reporting, and other potential sources of bias. The Cochrane Collaboration Group recommends the Downs and Black instrument and the Newcastle-Ottawa Scale for evaluating the quality of NRS. In conclusion, this study offers useful information to physicians about tools for assessing the quality of evidence in clinical guidelines. Further research is needed to provide an essential core for evidence-based decision making regarding levels and/or grades of recommendations. KCI Citation Count: 17
ISSN:1975-8456