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Radiographs of hip fractures were digitally altered to mask surgeons to the type of implant without compromising the reliability of quality ratings or making the rating process more difficult.
Karanicolas PJ, Bhandari M, Walter SD, Heels-Ansdell D, Guyatt GH; Collaboration for Outcomes Assessment in Surgical Trials (COAST) Musculoskeletal Group. Karanicolas PJ, et al. Among authors: guyatt gh. J Clin Epidemiol. 2009 Feb;62(2):214-223.e1. doi: 10.1016/j.jclinepi.2008.05.006. Epub 2008 Sep 7. J Clin Epidemiol. 2009. PMID: 18778914
The practicalists' response.
Karanicolas PJ, Montori VM, Devereaux PJ, Schünemann H, Guyatt GH. Karanicolas PJ, et al. Among authors: guyatt gh. J Clin Epidemiol. 2009 May;62(5):489-94. doi: 10.1016/j.jclinepi.2008.08.013. J Clin Epidemiol. 2009. PMID: 19348974 No abstract available.
An observational study found that authors of randomized controlled trials frequently use concealment of randomization and blinding, despite the failure to report these methods.
Devereaux PJ, Choi PT, El-Dika S, Bhandari M, Montori VM, Schünemann HJ, Garg AX, Busse JW, Heels-Ansdell D, Ghali WA, Manns BJ, Guyatt GH. Devereaux PJ, et al. Among authors: guyatt gh. J Clin Epidemiol. 2004 Dec;57(12):1232-6. doi: 10.1016/j.jclinepi.2004.03.017. J Clin Epidemiol. 2004. PMID: 15617948
Systematic reviewers neglect bias that results from trials stopped early for benefit.
Bassler D, Ferreira-Gonzalez I, Briel M, Cook DJ, Devereaux PJ, Heels-Ansdell D, Kirpalani H, Meade MO, Montori VM, Rozenberg A, Schünemann HJ, Guyatt GH. Bassler D, et al. Among authors: guyatt gh. J Clin Epidemiol. 2007 Sep;60(9):869-73. doi: 10.1016/j.jclinepi.2006.12.006. Epub 2007 Apr 11. J Clin Epidemiol. 2007. PMID: 17689802 Review.
1,073 results