Letters The truth about sports drinks

The wrong approach?

BMJ 2012; 345 doi: https://doi.org/10.1136/bmj.e5429 (Published 14 August 2012) Cite this as: BMJ 2012;345:e5429
  1. Keith A Stokes, senior lecturer1
  1. 1Department for Health, University of Bath, Bath BA2 7AY, UK
  1. k.stokes{at}bath.ac.uk

Heneghan and colleagues’ accusation of bias is based on certain specific criteria: lack of randomisation, lack of allocation concealment, lack of blinding, lack of intention to treat, and use of a surrogate outcome measure.1 These are important considerations in the design of any study, but they are not relevant to all study designs and to all primary outcome measures. To suggest …

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