Calcium supplementation does not increase mortality

Benjamin M P Tang and B E Christopher Nordin
Med J Aust 2008; 189 (1): . || doi: 10.5694/j.1326-5377.2008.tb01910.x
Published online: 7 July 2008

In reply: In Table 5 of Bolland and colleagues’ study, the P value after allowing for covariables was 0.08,1 which is not significant. This was without including smoking, which would undoubtedly have reduced the significance further as there were more smokers in the calcium group.

  • Benjamin M P Tang1
  • B E Christopher Nordin2

  • 1 Centre for Complementary Medicine Research, University of Western Sydney, Sydney, NSW.
  • 2 School of Medicine, University of Adelaide, Adelaide, SA.



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