GRADE guidelines: 4. Rating the quality of evidence—study limitations (risk of bias)
Gordon Guyatt1, Andrew D Oxman2, Gunn Elisabeth Vist2, Regina Kunz3, Jan Brożek1, Pablo Alonso‐Coello4, Víctor M. Montori5, Elie A. Akl6, Benjamin Djulbegović7, Yngve Falck–Ytter8, Susan L. Norris9, John W Williams10, David Atkins11, Asbjørn Hróbjartsson12, Holger J. Schünemann1
1Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario L8N 3Z5, Canada
2Norwegian Knowledge Centre for the Health Services, PO Box 7004, St Olavs plass, 0130 Oslo, Norway
3Academy of Swiss Insurance Medicine, University Hospital Basel; and Basel Institute of Clinical Epidemiology and Biostatistics, University Hospital Basel, Hebelstrasse 10, 4031 Basel, Switzerland
4Iberoamerican Cochrane Center-Servicio de Epidemiología Clínica y Salud Pública and CIBER de Epidemiología y Salud Pública (CIBERESP), Hospital de Sant Pau, Universidad Autónoma de Barcelona, Barcelona 08041, Spain
5Knowledge and Encounter Research Unit, Mayo Clinic, Rochester, MN, USA
6Department of Medicine, State University of New York at Buffalo, NY, USA
7Center for Evidence-based Medicine and Health Outcomes Research, University of South Florida, Tampa, FL 33612, USA
8Division of Gastroenterology, Case and VA Medical Center, Case Western Reserve University, Cleveland, OH 44106, USA
9Department of Medical Informatics and Clinical Epidemiology, Oregon Health and Science University, Portland, OR 97239-3098, USA
10Duke University Medical Center and Durham Veterans Affairs Center for Health Services Research in Primary Care Durham, NC 27705, USA.
11QUERI Program, Office of Research and Development, Department of Veterans Affairs, Washington, DC, USA
12German Cochrane Center, Institute of Medical Biometry and Medical Informatics, University Medical Center Freiburg, 79104 Freiburg, Germany
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Journal of Clinical Epidemiology
Tập 64 Số 4
407-415
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