doi:10.1017/S2040174412000207, published by Cambridge University Press, 11 April 2012.
In the article by Mardones et al. Reference Mardones, Villarroel, Arnaiz, Barja, Domínguez, Castillo, Farías, Eriksson and Pacheo1 details of the methods used to measure lipids were accidentally omitted. We provide this information below and apologise to readers for the omission.
Total cholesterol, triglycerides and HDL cholesterol were analyzed on the Modular Analytics P-800 platform (Roche Diagnostics GmbH, Mannheim, Germany). LDL cholesterol was calculated by the Friedewald formula.Reference Friedewald, Levy and Fredrichson2 However, LDL-cholesterol was measured directly on the Modular Analytics P-800 platform (Roche Diagnostics GmbH, Mannheim, Germany) when TG exceeded 400 mg/dL, chylomicrons were present or in patients who had dysbetalipoproteinemia (type III hyperlipoproteinemia).