Further major uncorrected errors in National Osteoporosis Foundation meta-analyses of calcium and vitamin D supplementation in fracture prevention

A Avenell, M J Bolland, A Grey, I R Reid

Research output: Contribution to journalLetter

6 Citations (Scopus)

Abstract

We thank Profs Weaver, Dawson-Hughes, Lappe and Wallace for their reply [1] to our letter [2] which pointed out errors in their updated meta-analysis for the National Osteoporosis Foundation [3]. Their updated meta-analysis examined calcium plus vitamin D supplementation and risk of fracture [3]. We thank them for providing some clarifications in their published erratum, explaining how they used per protocol analyses and undertaking some corrections in their additional analyses [4].
Original languageEnglish
Pages (from-to)733-734
Number of pages2
JournalOsteoporosis International
Volume28
Issue number2
Early online date19 Sep 2016
DOIs
Publication statusPublished - Feb 2017

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Vitamin D
Osteoporosis
Meta-Analysis
Calcium

Cite this

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abstract = "We thank Profs Weaver, Dawson-Hughes, Lappe and Wallace for their reply [1] to our letter [2] which pointed out errors in their updated meta-analysis for the National Osteoporosis Foundation [3]. Their updated meta-analysis examined calcium plus vitamin D supplementation and risk of fracture [3]. We thank them for providing some clarifications in their published erratum, explaining how they used per protocol analyses and undertaking some corrections in their additional analyses [4].",
author = "A Avenell and Bolland, {M J} and A Grey and Reid, {I R}",
note = "Funding MB is the recipient of a Sir Charles Hercus Health Research Fellowship. The Health Services Research Unit is funded by the Chief Scientist Office of the Scottish Government Health Directorates. This work was also funded by the Health Research Council (HRC) of New Zealand.",
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AU - Avenell, A

AU - Bolland, M J

AU - Grey, A

AU - Reid, I R

N1 - Funding MB is the recipient of a Sir Charles Hercus Health Research Fellowship. The Health Services Research Unit is funded by the Chief Scientist Office of the Scottish Government Health Directorates. This work was also funded by the Health Research Council (HRC) of New Zealand.

PY - 2017/2

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N2 - We thank Profs Weaver, Dawson-Hughes, Lappe and Wallace for their reply [1] to our letter [2] which pointed out errors in their updated meta-analysis for the National Osteoporosis Foundation [3]. Their updated meta-analysis examined calcium plus vitamin D supplementation and risk of fracture [3]. We thank them for providing some clarifications in their published erratum, explaining how they used per protocol analyses and undertaking some corrections in their additional analyses [4].

AB - We thank Profs Weaver, Dawson-Hughes, Lappe and Wallace for their reply [1] to our letter [2] which pointed out errors in their updated meta-analysis for the National Osteoporosis Foundation [3]. Their updated meta-analysis examined calcium plus vitamin D supplementation and risk of fracture [3]. We thank them for providing some clarifications in their published erratum, explaining how they used per protocol analyses and undertaking some corrections in their additional analyses [4].

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DO - 10.1007/s00198-016-3765-6

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JO - Osteoporosis International

JF - Osteoporosis International

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