Comparison of descriptions of allocation concealment in trial protocols and the published reports: cohort study.

Gelijkaardige items

• Impact of allocation concealment on conclusions drawn from meta-analyses of randomized trials.
  door: Pildal, J, et al.
  Gepubliceerd in: (2007)
• Empirical evidence for selective reporting of outcomes in randomized trials: comparison of protocols to published articles.
  door: Chan, A, et al.
  Gepubliceerd in: (2004)
• Reporting on blinding in trial protocols and corresponding publications was often inadequate but rarely contradictory.
  door: Hróbjartsson, A, et al.
  Gepubliceerd in: (2009)
• Allocation concealment in clinical trials.
  door: Schulz, K, et al.
  Gepubliceerd in: (2002)
• Discrepancies in sample size calculations and data analyses reported in randomised trials: comparison of publications with protocols.
  door: Chan, A, et al.
  Gepubliceerd in: (2008)