Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

1,059 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Compelling evidence from meta-epidemiological studies demonstrates overestimation of effects in randomized trials that fail to optimize randomization and blind patients and outcome assessors.
Wang Y, Parpia S, Couban R, Wang Q, Armijo-Olivo S, Bassler D, Briel M, Brignardello-Petersen R, Gluud LL, Keitz SA, Letelier LM, Ravaud P, Schulz KF, Siemieniuk RAC, Zeraatkar D, Guyatt GH. Wang Y, et al. Among authors: guyatt gh. J Clin Epidemiol. 2024 Jan;165:111211. doi: 10.1016/j.jclinepi.2023.11.001. Epub 2023 Nov 7. J Clin Epidemiol. 2024. PMID: 37939743
Optimal sampling in derivation studies was associated with improved discrimination in external validation for heart failure prognostic models.
Iwakami N, Nagai T, Furukawa TA, Tajika A, Onishi A, Nishimura K, Ogata S, Nakai M, Takegami M, Nakano H, Kawasaki Y, Alba AC, Guyatt GH, Shiraishi Y, Kohsaka S, Kohno T, Goda A, Mizuno A, Yoshikawa T, Anzai T; investigators for the WET-NaDEF Collaboration Project. Iwakami N, et al. Among authors: guyatt gh. J Clin Epidemiol. 2020 May;121:71-80. doi: 10.1016/j.jclinepi.2020.01.011. Epub 2020 Jan 29. J Clin Epidemiol. 2020. PMID: 32004670
Instruments assessing risk of bias of randomized trials frequently included items that are not addressing risk of bias issues.
Wang Y, Ghadimi M, Wang Q, Hou L, Zeraatkar D, Iqbal A, Ho C, Yao L, Hu M, Ye Z, Couban R, Armijo-Olivo S, Bassler D, Briel M, Gluud LL, Glasziou P, Jackson R, Keitz SA, Letelier LM, Ravaud P, Schulz KF, Siemieniuk RAC, Brignardello-Petersen R, Guyatt GH. Wang Y, et al. Among authors: guyatt gh. J Clin Epidemiol. 2022 Dec;152:218-225. doi: 10.1016/j.jclinepi.2022.10.018. Epub 2022 Oct 28. J Clin Epidemiol. 2022. PMID: 36424692
Use of tocilizumab and sarilumab alone or in combination with corticosteroids for covid-19: systematic review and network meta-analysis.
Zeraatkar D, Cusano E, Martínez JPD, Qasim A, Mangala S, Kum E, Bartoszko JJ, Devji T, Agoritsas T, Guyatt G, Izcovich A, Khamis AM, Lamontagne F, Rochwerg B, Vandvik P, Brignardello-Petersen R, Siemieniuk RAC. Zeraatkar D, et al. BMJ Med. 2022 Feb 28;1(1):e000036. doi: 10.1136/bmjmed-2021-000036. eCollection 2022. BMJ Med. 2022. PMID: 36936570 Free PMC article.
1,059 results