Calcium and vitamin D in preventing fractures: Author's reply

BMJ 2005; 331 doi: https://doi.org/10.1136/bmj.331.7508.109 (Published 07 July 2005) Cite this as: BMJ 2005;331:109
  1. David Torgerson, director (djt6@york.ac.uk) the trial group
  1. York Trials Unit, Department of Health Sciences, University of York, York YO10 5DD

    EDITOR—Radecki notes that there is evidence for vitamin K in preventing fractures. This evidence is insufficient to recommend routine vitamin K supplementation in a primary care population. We need pragmatic trial evidence of vitamin K to test the hypothesis that it prevents fractures.

    Walters observes that we recruited only a small proportion of those originally invited. Like nearly all randomised trials we can randomise …

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