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Is a subgroup claim believable? A user's guide to subgroup analyses in the surgical literature.
Study to Prospectively Evaluate Reamed Intramedullary Nails in Tibial Fractures (SPRINT) Investigators; Sun X, Heels-Ansdell D, Walter SD, Guyatt G, Sprague S, Bhandari M, Sanders D, Schemitsch E, Tornetta P 3rd, Swiontkowski M. Study to Prospectively Evaluate Reamed Intramedullary Nails in Tibial Fractures (SPRINT) Investigators, et al. Among authors: sun x. J Bone Joint Surg Am. 2011 Feb 2;93(3):e8. doi: 10.2106/JBJS.I.01555. J Bone Joint Surg Am. 2011. PMID: 21266635 Free PMC article. No abstract available.
Reporting missing participant data in randomised trials: systematic survey of the methodological literature and a proposed guide.
Akl EA, Shawwa K, 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 GH. Akl EA, et al. Among authors: sun x. BMJ Open. 2015 Dec 30;5(12):e008431. doi: 10.1136/bmjopen-2015-008431. BMJ Open. 2015. PMID: 26719310 Free PMC article. Review.
Authors' reply to Patel and colleagues.
Sun X, Guyatt GH, Li L. Sun X, et al. BMJ. 2016 May 24;353:i2927. doi: 10.1136/bmj.i2927. BMJ. 2016. PMID: 27220956 No abstract available.
GRADE guidelines 17: assessing the risk of bias associated with missing participant outcome data in a body of evidence.
Guyatt GH, Ebrahim S, Alonso-Coello P, Johnston BC, Mathioudakis AG, Briel M, Mustafa RA, Sun X, Walter SD, Heels-Ansdell D, Neumann I, Kahale LA, Iorio A, Meerpohl J, Schünemann HJ, Akl EA. Guyatt GH, et al. Among authors: sun x. J Clin Epidemiol. 2017 Jul;87:14-22. doi: 10.1016/j.jclinepi.2017.05.005. Epub 2017 May 18. J Clin Epidemiol. 2017. PMID: 28529188
A systematic survey identified 36 criteria for assessing effect modification claims in randomized trials or meta-analyses.
Schandelmaier S, Chang Y, Devasenapathy N, Devji T, Kwong JSW, Colunga Lozano LE, Lee Y, Agarwal A, Bhatnagar N, Ewald H, Zhang Y, Sun X, Thabane L, Walsh M, Briel M, Guyatt GH. Schandelmaier S, et al. Among authors: sun x. J Clin Epidemiol. 2019 Sep;113:159-167. doi: 10.1016/j.jclinepi.2019.05.014. Epub 2019 May 24. J Clin Epidemiol. 2019. PMID: 31132471
Development of the Instrument to assess the Credibility of Effect Modification Analyses (ICEMAN) in randomized controlled trials and meta-analyses.
Schandelmaier S, Briel M, Varadhan R, Schmid CH, Devasenapathy N, Hayward RA, Gagnier J, Borenstein M, van der Heijden GJMG, Dahabreh IJ, Sun X, Sauerbrei W, Walsh M, Ioannidis JPA, Thabane L, Guyatt GH. Schandelmaier S, et al. Among authors: sun x. CMAJ. 2020 Aug 10;192(32):E901-E906. doi: 10.1503/cmaj.200077. CMAJ. 2020. PMID: 32778601 Free PMC article.
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: sun x. Syst Rev. 2015 Jul 23;4:98. doi: 10.1186/s13643-015-0083-6. Syst Rev. 2015. PMID: 26202162 Free PMC article.
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