G
Gordon H. Guyatt
Researcher at McMaster University
Publications - 1749
Citations - 262329
Gordon H. Guyatt is an academic researcher from McMaster University. The author has contributed to research in topics: Randomized controlled trial & Medicine. The author has an hindex of 231, co-authored 1620 publications receiving 228631 citations. Previous affiliations of Gordon H. Guyatt include Memorial Sloan Kettering Cancer Center & Cayetano Heredia University.
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Development and validation of a questionnaire to measure asthma control
TL;DR: The Asthma Control Questionnaire has strong evaluative and discriminative properties and can be used with confidence to measure asthma control.
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Users' Guides to the Medical Literature: III. How to Use an Article About a Diagnostic Test: B. What Are the Results and Will They Help Me In Caring for My Patients?
TL;DR: The patient is a 28-year-old man whose acute onset of shortness of breath and vague chest pain began shortly after completing a 10-hour auto trip, and the physician is very apprehensive about his symptoms.
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GRADE guidelines: 4. Rating the quality of evidence—study limitations (risk of bias)
Gordon H. Guyatt,Andrew D Oxman,Gunn Elisabeth Vist,Regina Kunz,Jan Brozek,Pablo Alonso-Coello,Victor M. Montori,Elie A. Akl,Ben Djulbegovic,Yngve Falck-Ytter,Susan L Norris,John W Williams,David C. Atkins,Joerg J Meerpohl,Holger J. Schünemann +14 more
TL;DR: In the GRADE approach, randomized trials start as high-quality evidence and observational studies as low- quality evidence, but both can be rated down if most of the relevant evidence comes from studies that suffer from a high risk of bias.
Journal Article
The 6-minute walk: a new measure of exercise capacity in patients with chronic heart failure
Gordon H. Guyatt,Michael J. Sullivan,Penelope J. Thompson,Ernest L. Fallen,S. O. Pugsley,D W Taylor,Leslie B. Berman +6 more
TL;DR: It is concluded that the 6-minute walk is a useful measure of functional exercise capacity and a suitable measure of outcome for clinical trials in patients with chronic heart failure.
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GRADE guidelines: A new series of articles in the Journal of Clinical Epidemiology △
TL;DR: This article introduces a 20-part series providing guidance for the use of GRADE methodology that will appear in the Journal of Clinical Epidemiology.