Two widely used tests to determine vitamin D status produced results that exceeded the allowable limits for error in at least 40% of cases, according to a study reported here.Yep.
Using liquid chromatography/mass spectrometry (LC/MS) as the standard, variance by the Abbott Architect and Siemens Centaur-2 tests ranged from -60% to +80%. The maximum allowable error for test results is ±25%, Earle Holmes, PhD, said at ENDO 2012.
Errors with both tests tended to be on the side of overestimating the frequency of vitamin D deficiency, he added.
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Monday, August 13, 2012
Vitamin D Test Accuracy Called into Question
Which, better yet, calls the whole cure du jour stuff into question.
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