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General Clinical Chemistry: Anne Helene Garde, Åse Marie Hansen, Lene Theil Skovgaard, and Jytte Molin Christensen Seasonal and Biological Variation of Blood Concentrations of Total Cholesterol, Dehydroepiandrosterone Sulfate, Hemoglobin A1c, IgA, Prolactin, and Free Testosterone in Healthy Women Clin Chem 2000; 46: 551-559 [Abstract] [Full text] [PDF]

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Erratum

Anne Helene Garde   (23 July 2001)

Erratum 23 July 2001
Anne Helene Garde, Researcher National Institute of Occupational Health Send letter to journal: Re: Erratum ahg{at}ami.dk Anne Helene Garde	In this article, the values for CVid, CVim, CViy and CVg were underestimated by a factor of approximately 2.5, because of a calculation error. Correspondingly, the CVa/CViy values were overestimated and the relative prediction intervals were too narrow. The correct CVid (not estimated for total cholesterol and HbA1c and therefore indicated by - for these two analytes) , CVim, CViy and CVg are: -, 15%, 13% and 12% for total cholesterol, 14%, 16%, 20% and 49% for DHEA-S, -, 3.0%, 7.0% and 7.5% for HbA1c/total hemoglobin, 5.7%, 16%, 14% and 30% for IgA, 55%, 40%, 58% and 63% for prolactin, and 19%, 64%, 55% and 68% for free testosterone. The correct CVa/CViy and relative prediction intervals are: 0.13 and (43%, 234%) for total-cholesterol, 0.26 and (27%, 368%) for DHEA- S, 0.26 and (63%, 158%) for HbA1c/total hemoglobin, 0.07 and (42%, 240%) for IgA, 0.05 and (3%, 3053%) for prolactin, and 0.13 and (4%, 2609%) for free testosterone. Please note this correction when referencing this paper. The authors apologize for any inconvenience this error may have caused.