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Background:  The study was conducted to evaluate the analytical and clinical performance of the VIDAS ®  25-OH Vitamin D Total assay. The clinical performance of the assay was compared with four other immunoassays against the results of two different liquid chromatography/mass spectrometry methods (LC-MS/MS) standardized to NIST reference materials.

clinical chemistry and laboratory medicine (cclm)

Performance characteristics of the VIDAS ®  25-OH Vitamin D Total assay – comparison with four immunoassays and two liquid chromatography-tandem mass spectrometry methods in a multicentric study