Open Access Highly Accessed Research article

Systems for grading the quality of evidence and the strength of recommendations I: Critical appraisal of existing approaches The GRADE Working Group

David Atkins1, Martin Eccles2, Signe Flottorp3, Gordon H Guyatt4, David Henry5, Suzanne Hill5, Alessandro Liberati6, Dianne O'Connell7, Andrew D Oxman3, Bob Phillips8, Holger Schünemann49, Tessa Tan-Torres Edejer10, Gunn E Vist3*, John W Williams11 and The GRADE Working Group3

Author Affiliations

1 Center for Practice and Technology Assessment, Agency for Healthcare Research and Quality, 540 Gaither Rd. Rokville, MD 20852, USA

2 Centre for Health Services Research, University of Newcastle upon Tyne, 21 Claremont Place, Newcastle upon Tyne NE2 4AA, UK

3 Informed Choice Research Department, Norwegian Health Services Research Centre, Pb. 7004 St. Olavs Plass, 0130 Oslo, Norway

4 Departments of Clinical Epidemiology and Biostatistics and Medicine, McMaster University, 1200 Main Street West, Hamilton, Ontario L8N 3Z5, Canada

5 Department of Clinical Pharmacology, Faculty of Medicine and Health Sciences, University of Newcastle, Level 5, New Med 2 Building, Newcastle Mater Hospital, Waratah, NSW 2298, Australia

6 Department of Oncology and Hematology, Università di Modena e Reggio Emilia, Azienda Ospedaliera Policlinico, Via dal Pozzo 41, 41100 Modena, Italia and Centro per la Valutazione della Efficacia della Assistenza Sanitaria (CeVEAS), Modena, Italy

7 Cancer Epidemiology Research Unit, Cancer Research and Registers Division, The Cancer Council NSW, PO Box 572, Kings Cross NSW 1340, Australia

8 Centre for Evidence-based Medicine, University Department of Psychiatry, Warneford Hospital, Oxford OX3 7JX, UK

9 Departments of Medicine and Social & Preventive Medicine, University at Buffalo, State University of New York, ECMC-CC142, 462 Grinder St, Buffalo, NY 14215, USA

10 Global Programme on Evidence for Health Policy, World Health Organisation, CH-1211 Geneva 27, Switzerland

11 The Center for Health Services Research in Primary Care, HSR&D, Department of Veterans Affairs Medical Center and Duke University Medical Center, 508 Fulton St., Durham, NC 27705, USA

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BMC Health Services Research 2004, 4:38  doi:10.1186/1472-6963-4-38

Published: 22 December 2004

Additional files

Additional File 1:

American College of Chest Physicians (ACCP), a brief description of the ACCP approach.

Format: DOC Size: 49KB Download file

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Additional File 2:

Australian National Health and Medical Research Council (ANHMRC), a brief description of the ANHMRC approach.

Format: DOC Size: 38KB Download file

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Additional File 3:

Oxford Centre for Evidence-based Medicine (OCEBM), a brief description of the OCEBM approach.

Format: DOC Size: 73KB Download file

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Additional File 4:

Scottish Intercollegiate Guidelines (SIGN), a brief description of the SIGN approach.

Format: DOC Size: 27KB Download file

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Additional File 5:

U.S. Preventive Services Task Force (USPSTF), a brief description of the USPSTF approach.

Format: DOC Size: 51KB Download file

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Additional File 6:

U.S. Task Force on Community Preventive Services (USTFCPS), a brief description of the USTFCPS approach.

Format: DOC Size: 82KB Download file

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