This Article  • References  • Full text PDF  • Send to a friend  • Save in My Folder  • Save to citation manager  • Permissions  Citing Articles  • Citation map  • Contact me when this article is cited  Related Content  • Similar articles in JAMA  Social Bookmarking   What's this?

Jeffrey L. Furst
Boehringer Mannheim Diagnostics Division Indianapolis, Ind

JAMA. 1990;264(9):1101.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.—

Kaufman et al¹ reported the coefficient of variation of cholesterol on the Reflotron analyzers as being 13.3%. These results differ from those reported in the literature, including references cited by the authors of the JAMA study. The tabulation below presents the results of eight other studies compared with the study of Kaufman et al. The coefficients of variation varied between 1.1% and 5.7% in these studies vs 13.3% in that by Kaufman et al.

We do not know why the results of Kaufman et al differ so dramatically from those in the other reports. It is possible that their study protocol may have differed from that recommended by the manufacturers. We have requested a copy of the protocol so that we can validate the results internally.

We encourage workers to continue to evaluate our system. We are confident that the analytical performance of the Reflotron . . . [Full Text PDF of this Article]

CiteULike    Connotea    Del.icio.us    Digg    Reddit    Technorati    Twitter     What's this?