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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Basic statistics for clinicians: 2. Interpreting study results: confidence intervals
Gordon H. Guyatt,Roman Jaeschke,Nancy M. Heddle,Deborah J. Cook,Harry S. Shannon,Stephen D. Walter +5 more
TL;DR: In the second of four articles, the authors discuss the "estimation" approach to interpreting study results, where in hypothesis testing, study results lead the reader to reject or accept a null hypothesis, in estimation the reader can assess whether a result is strong or weak, definitive or not.
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Effect of Oxygen on Health Quality of Life in Patients with Chronic Obstructive Pulmonary Disease with Transient Exertional Hypoxemia
TL;DR: This study does not support the general application of long-term ambulatory oxygen therapy for patients with COPD who do not meet criteria for mortality reduction with long- term oxygen therapy, but can identify patients who may benefit.
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The effects of green tea consumption on incidence of breast cancer and recurrence of breast cancer: a systematic review and meta-analysis.
TL;DR: Consuming 5 or more cups of green tea a day shows a non-statistically significant trend towards the prevention of breast cancer development, and evidence indicates that green tea consumption may possibly help prevent breast cancer recurrence in early stage (I and II) cancers.
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Male circumcision for the prevention of heterosexually acquired HIV infection: a meta-analysis of randomized trials involving 11 050 men†
TL;DR: Observational studies and a small collection of randomized controlled trials suggest that male circumcision may significantly reduce HIV transmission between sero‐discordant contacts, but no meta‐analysis has been conducted to determine the effectiveness of this intervention.
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Combined corticosteroid and antiviral treatment for bell palsy: a systematic review and meta-analysis
John R. de Almeida,Murtadha Al Khabori,Gordon H. Guyatt,Ian J. Witterick,Vincent Lin,Nedzelski Jm,Joseph Chen +6 more
TL;DR: In Bell palsy, corticosteroids are associated with a reduced risk of unsatisfactory recovery and antiviral agents, when administered with cortiosteroids, may be associated with additional benefit.