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. 2011 Jul 29;2(2):94–103. doi: 10.1016/j.phrp.2011.07.006

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© 2011 Published by Elsevier B.V. on behalf of Korea Centers for Disease Control and Prevention.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Frequency of low high-density lipoprotein cholesterol (HDL-C) level by age groups in men (A) and women (B): KNHANES 1998, 2001, 2005. Error bars indicate 95%CIs. For men and women low HDL-C was defined as <40 and <50 mg/dL, respectively. ∗p < 0.05 for trends within the same age group.