期刊
INTERNATIONAL JOURNAL OF CARDIOLOGY
卷 330, 期 -, 页码 221-227出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.ijcard.2021.02.009
关键词
LDL-cholesterol equations; Friedewald formula; Cardiovascular risk; Sampson formula; Martin formula; Vujovic formula
This study compared the accuracy of twelve different LDL-C estimation formulas in an Italian population, revealing that formulas such as Sampson, Martin, and Vujovic performed more accurately compared to others.
Background and aims: Low-density lipoprotein-cholesterol (LDL-C) is the major determinant of cardiovascular disease (CVD) burden. Being the direct assays time consuming, expensive, not fully standardized and not world-wide available, indirect formulas represent the most used laboratory estimation of LDL-C. In this study we analyzed the accuracy of twelve formulas for LDL-C estimation in an Italian population of 114,774 individuals. Methods: All lipid samples were analyzed using direct homogeneous assay. The population was divided into various subgroups based on triglycerides and directly dosed LDL-C (D-LDL) levels. Twelve formulas (Friedewald, DeLong, Hata, Hattori, Puavillai, Anandaraja, Ahmadi, Chen, Vujovic, de Cordova, Martin, and Sampson) were compared in terms of their mean absolute deviations and the correlation and concordance of their estimated LDL-C with the respective D-LDL values. Results: La-C measured by Friedewald formula and direct assay differed by more than 9 mg/dL. For D-LDL>115 mg/dl, we observed a concordance rate of only 55% between Friedewald and the respective D-LDL values. For TC <250 mg/dl, the proportion of reclassification between the different formulas and D-LDL was 14.1% with Vujovic, 14.4% Sampson, 15.9% DeLong, 16.5% Puavilai, 19.9% Martin, 21.9% Friedewald, 23.5% Chen, 29% Anandaraja, 31.1% Ahmadi, 31.5% Hata, 33.2% Hattori, and 44.4% with De Cordova formula. Conclusions: Our study compared for the first time 12 different LDL-C formulas on a Southern European population of more than 100,000 people. 'Several formulas showed better aauracy compared to Friedewald. Sampson, Martin and Vujovic resulted the most accurate formulas. (C) 2021 Elsevier B.V. All rights reserved.
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