An observational study found that authors of randomized controlled trials frequently use concealment of randomization and blinding, despite the failure to report these methods

Author:

Devereaux P.J.,Choi Peter T.-L.,El-Dika Samer,Bhandari Mohit,Montori Victor M.,Schünemann Holger J.,Garg Amit X.,Busse Jason W.,Heels-Ansdell Diane,Ghali William A.,Manns Braden J.,Guyatt Gordon H.

Publisher

Elsevier BV

Subject

Epidemiology

Reference24 articles.

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2. Empirical evidence of bias: dimensions of methodological quality associated with estimates of treatment effects in controlled trials;Schulz;JAMA,1995

3. Does quality of reports of randomised trials affect estimates of intervention efficacy reported in meta-analyses?;Moher;Lancet,1998

4. Jüni P, Tallon D, Egger M. `Garbage in—garbage out'? Assessment of the quality of controlled trials in meta-analyses published in leading journals. In: Proceedings of the 3rd symposium on systematic reviews: beyond the basics; 2000; St Catherine's College, Oxford. Oxford: Centre for Statistics in Medicine; 2000:19.

5. Reported methodologic quality and discrepancies between large and small randomized trials in meta-analyses;Kjaergard;Ann Intern Med,2001

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