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Vitamin D math mistakes made by the IoM in 2010 – K Baggerly 2016-2017


12 minute video, Nov 2016 @ American Public Health Association

Keith Baggerly is a Biostatistician, tenured professor and son of Carole Baggerly
kabagg at mdanderson.org

Mistake #1: % of cadavers with poor bones with 20-30 ng of vitamin D

They computed the ratio of bad bones with 20-30 ng vs all cadavers, rather than just those with 20-30 ng
If they had used the correct denominator the result would have been 28-30 ng, not 20 ng
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Mistake #2: Not having enough data to conclude that >4,000 IU is too much (i.e. harm)

Chart did not have any error bars
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This next chart shows the tiny differences
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Mistake #3: Institute of Medicine used data only for bone health, but the rest of the body needs higher levels
Mistake #4): Incorrectly estimated dose needed to get 97.5 % of population to a vitamin D level


His previously published study of the problem
 Download the PDF from VitaminDWiki


Sharing Scientific Data and Replicability, Keith Baggerly 45 minute video, March 2017

|Arthur M. Sackler Colloquia, Published on Mar 22, 2017
This talk was given by Keith Baggerly, MD Anderson Cancer Center as part of the National Academy of Sciences Arthur M. Sackler Colloquium on Reproducibility of Research: Issues and Proposed Remedies held in Washington, D.C. on March 8-10, 2017
Note: A Parathyroid Hormone analysis of 2016-2017 independently found that a vitamin D level of 31 ng is needed
Note: 97.5% of the population = 2 sigma of an ideal bell curve distribution (the actual distribution is a very distorted bell curve)


3,000 IU is needed to get 97.5% of the population to 30ng

Note: 3,000 IU daily ==> 42,000 IU every two weeks. which is very close to the 50,000 IU proposed by VitaminDWiki 3 years before
3,000 IU is 5X more than the 600 IU erroneous conclusion of the Institute of Medicine in 2010
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Pregnant women in East Africa have vitamin D levels of about 60 ng

Yellow = pregnant women
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Baggerly's are hoping to get signicant progress on correcting the error by the end of Sept 2017


See also VitaminDWiki

IoM error  8% not just 1% see http://is.gd/iomerror8

  • Note: Even if you have a good blood level of vitamin D,
        poor genes, low Magnesium, low Omega-3, etc restrict how much vitamin D actually gets to your cells

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short URL = https://is.gd/VitDMath

Attached files

ID Name Comment Uploaded Size Downloads
8286 East Africa pregnant women.jpg admin 09 Aug, 2017 25.62 Kb 2242
8283 3,000 IU needed.jpg admin 09 Aug, 2017 31.57 Kb 2333
8282 Problems With the Serum RDA KB.pdf admin 08 Aug, 2017 369.35 Kb 1129
8281 KB3.JPG admin 08 Aug, 2017 39.59 Kb 2325
8280 KB2.JPG admin 08 Aug, 2017 55.72 Kb 2416
8279 KB1.JPG admin 08 Aug, 2017 53.70 Kb 2604