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Minimal important difference estimates for patient-reported outcomes: A systematic survey.
Carrasco-Labra A, Devji T, Qasim A, Phillips MR, Wang Y, Johnston BC, Devasenapathy N, Zeraatkar D, Bhatt M, Jin X, Brignardello-Petersen R, Urquhart O, Foroutan F, Schandelmaier S, Pardo-Hernandez H, Hao Q, Wong V, Ye Z, Yao L, Vernooij RWM, Huang H, Zeng L, Rizwan Y, Siemieniuk R, Lytvyn L, Patrick DL, Ebrahim S, Furukawa TA, Nesrallah G, Schünemann HJ, Bhandari M, Thabane L, Guyatt GH. Carrasco-Labra A, et al. Among authors: johnston bc. J Clin Epidemiol. 2021 May;133:61-71. doi: 10.1016/j.jclinepi.2020.11.024. Epub 2020 Dec 13. J Clin Epidemiol. 2021. PMID: 33321175
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
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.
Potential impact on estimated treatment effects of information lost to follow-up in randomised controlled trials (LOST-IT): systematic review.
Akl EA, Briel M, You JJ, Sun X, Johnston BC, Busse JW, Mulla S, Lamontagne F, Bassler D, Vera C, Alshurafa M, Katsios CM, Zhou Q, Cukierman-Yaffe T, Gangji A, Mills EJ, Walter SD, Cook DJ, Schünemann HJ, Altman DG, Guyatt GH. Akl EA, et al. Among authors: johnston bc. BMJ. 2012 May 18;344:e2809. doi: 10.1136/bmj.e2809. BMJ. 2012. PMID: 22611167 Review.
157 results