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164 results

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Page 1
Handling trial participants with missing outcome data when conducting a meta-analysis: a systematic survey of proposed approaches.
Akl EA, Kahale LA, Agoritsas T, Brignardello-Petersen R, Busse JW, Carrasco-Labra A, Ebrahim S, Johnston BC, Neumann I, Sola I, Sun X, Vandvik P, Zhang Y, Alonso-Coello P, Guyatt G. Akl EA, et al. Among authors: johnston bc. Syst Rev. 2015 Jul 23;4:98. doi: 10.1186/s13643-015-0083-6. Syst Rev. 2015. PMID: 26202162 Free PMC article.
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.
Formatting modifications in GRADE evidence profiles improved guideline panelists comprehension and accessibility to information. A randomized trial.
Vandvik PO, Santesso N, Akl EA, You J, Mulla S, Spencer FA, Johnston BC, Brozek J, Kreis J, Brandt L, Zhou Q, Schünemann HJ, Guyatt G. Vandvik PO, et al. Among authors: johnston bc. J Clin Epidemiol. 2012 Jul;65(7):748-55. doi: 10.1016/j.jclinepi.2011.11.013. Epub 2012 May 5. J Clin Epidemiol. 2012. PMID: 22564503 Clinical Trial.
164 results