Grading Quality of Evidence and Strength of Recommendations: A Perspective

Mohammed T. Ansari; Alexander Tsertsvadze; David Moher

doi:10.1371/journal.pmed.1000151

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Grading Quality of Evidence and Strength of Recommendations: A Perspective

Mohammed T. Ansari ,

* E-mail: moansari@ohri.ca

Affiliation Ottawa Methods Centre, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada
⨯
Alexander Tsertsvadze,

Affiliation Ottawa Methods Centre, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada
⨯
David Moher

Affiliations Ottawa Methods Centre, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada, Department of Epidemiology & Community Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Canada
⨯

Grading Quality of Evidence and Strength of Recommendations: A Perspective

Mohammed T. Ansari,
Alexander Tsertsvadze,
David Moher

Published: September 15, 2009
https://doi.org/10.1371/journal.pmed.1000151

About the Authors

Mohammed T. Ansari

* E-mail: moansari@ohri.ca

Affiliation Ottawa Methods Centre, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada

Alexander Tsertsvadze

Affiliation Ottawa Methods Centre, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada

David Moher

Affiliations Ottawa Methods Centre, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada, Department of Epidemiology & Community Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

ICMJE criteria for authorship read and met: MTA AT DM. Wrote the first draft of the paper: MTA. Contributed to the writing of the paper: MTA AT DM.

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