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.
Papers
More filters
Journal ArticleDOI
Tips for learners of evidence-based medicine: 4. Assessing heterogeneity of primary studies in systematic reviews and whether to combine their results
TL;DR: Clinicians wishing to quickly answer a clinical question may seek a systematic review, rather than searching for primary articles, when the investigators have used statistical techniques to combine results across studies.
Journal ArticleDOI
Interviewer versus self-administered questionnaires in developing a disease-specific, health-related quality of life instrument for asthma.
Deborah J. Cook,Gordon H. Guyatt,Elizabeth F. Juniper,Lauren Griffith,William McIlroy,Andrew R. Willan,Roman Jaeschke,Robert S. Epstein +7 more
TL;DR: Patients with asthma who were symptomatic or required treatment at least once a week, and had airway hyperresponsiveness to methacholine aerosol participated, showed systematically greater HRQL impairment.
Journal ArticleDOI
Frequency and methodologic rigor of quality-of-life assessments in the critical care literature.
Daren K. Heyland,Gordon H. Guyatt,Deborah J. Cook,Maureen O. Meade,Elizabeth F. Juniper,Lisa Cronin,Amiram Gafni +6 more
TL;DR: QOL assessments occur infrequently in the ICU literature and are of limited methodologic quality, so more studies using valid and reliable instruments are necessary to document the long-term QOL of critically ill patients, especially those at risk of a "poor" outcome.
Journal ArticleDOI
Specific instructions for estimating unclearly reported blinding status in randomized trials were reliable and valid
Elie A. Akl,Xin Sun,Xin Sun,Jason W. Busse,Bradley C. Johnston,Matthias Briel,Matthias Briel,Sohail M. Mulla,John J. You,Dirk Bassler,Francois Lamontagne,Claudio Vera,Mohamad Alshurafa,Christina M. Katsios,Diane Heels-Ansdell,Qi Zhou,Edward J Mills,Gordon H. Guyatt +17 more
TL;DR: With the possible exception of blinding of data analysts, use of "probably yes" and "probably no" instead of "unclear"Instead of " unclear" may enhance the assessment of blinding in trials.
Journal ArticleDOI
Publication bias: a brief review for clinicians.
TL;DR: In this article, the authors define publication bias and how it affects the results of systematic reviews, how it can be detected and minimized, and how to prevent it from occurring in systematic reviews.