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

155 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
LOST to follow-up Information in Trials (LOST-IT): a protocol on the potential impact.
Akl EA, Briel M, You JJ, Lamontagne F, Gangji A, Cukierman-Yaffe T, Alshurafa M, Sun X, Nerenberg KA, Johnston BC, Vera C, Mills EJ, Bassler D, Salazar A, Bhatnagar N, Busse JW, Khalid Z, Walter S, Cook DJ, Schünemann HJ, Altman DG, Guyatt GH. Akl EA, et al. Among authors: johnston bc. Trials. 2009 Jun 11;10:40. doi: 10.1186/1745-6215-10-40. Trials. 2009. PMID: 19519891 Free PMC article.
Subgroup Analysis of Trials Is Rarely Easy (SATIRE): a study protocol for a systematic review to characterize the analysis, reporting, and claim of subgroup effects in randomized trials.
Sun X, Briel M, Busse JW, Akl EA, You JJ, Mejza F, Bala M, Diaz-Granados N, Bassler D, Mertz D, Srinathan SK, Vandvik PO, Malaga G, Alshurafa M, Dahm P, Alonso-Coello P, Heels-Ansdell DM, Bhatnagar N, Johnston BC, Wang L, Walter SD, Altman DG, Guyatt GH. Sun X, et al. Among authors: johnston bc. Trials. 2009 Nov 9;10:101. doi: 10.1186/1745-6215-10-101. Trials. 2009. PMID: 19900273 Free PMC article.
The influence of study characteristics on reporting of subgroup analyses in randomised controlled trials: systematic review.
Sun X, Briel M, Busse JW, You JJ, Akl EA, Mejza F, Bala MM, Bassler D, Mertz D, Diaz-Granados N, Vandvik PO, Malaga G, Srinathan SK, Dahm P, Johnston BC, Alonso-Coello P, Hassouneh B, Truong J, Dattani ND, Walter SD, Heels-Ansdell D, Bhatnagar N, Altman DG, Guyatt GH. Sun X, et al. Among authors: johnston bc. BMJ. 2011 Mar 28;342:d1569. doi: 10.1136/bmj.d1569. BMJ. 2011. PMID: 21444636 Free PMC article. Review.
Specific instructions for estimating unclearly reported blinding status in randomized trials were reliable and valid.
Akl EA, Sun X, Busse JW, Johnston BC, Briel M, Mulla S, You JJ, Bassler D, Lamontagne F, Vera C, Alshurafa M, Katsios CM, Heels-Ansdell D, Zhou Q, Mills E, Guyatt GH. Akl EA, et al. Among authors: johnston bc. J Clin Epidemiol. 2012 Mar;65(3):262-7. doi: 10.1016/j.jclinepi.2011.04.015. Epub 2011 Dec 24. J Clin Epidemiol. 2012. PMID: 22200346
Credibility of claims of subgroup effects in randomised controlled trials: systematic review.
Sun X, Briel M, Busse JW, You JJ, Akl EA, Mejza F, Bala MM, Bassler D, Mertz D, Diaz-Granados N, Vandvik PO, Malaga G, Srinathan SK, Dahm P, Johnston BC, Alonso-Coello P, Hassouneh B, Walter SD, Heels-Ansdell D, Bhatnagar N, Altman DG, Guyatt GH. Sun X, et al. Among authors: johnston bc. BMJ. 2012 Mar 15;344:e1553. doi: 10.1136/bmj.e1553. BMJ. 2012. PMID: 22422832 Review.
155 results