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Non-high-density lipoprotein cholesterol levels and recent involuntary weight gain among asymptomatic female subjects

  • Kazuhiko Kotani , Hisashi Shimohiro , Seiji Adachi and Naoki Sakane
Published/Copyright: February 26, 2008

Abstract

Background: Serum non-high-density lipoprotein cholesterol (HDL-C), an easily identifiable atherogenic index, has attracted attention within a clinical meaning different from that of other lipid indexes. The link between body weight gain and the occurrence of cardiovascular diseases may be mediated through non-HDL-C. However, there have been few reports examining the independent associations between weight gain and non-HDL-C, over a period of at least 1 year, especially in females.

Methods: We examined data on 200 asymptomatic Japanese females (mean 49.1 years) with an involuntary weight gain of at least ≥0.1 kg/m2 as a body mass index (BMI) 1 year after a baseline check-up. At baseline and after the 1-year period, we measured BMI, blood pressure (BP) and blood metabolic variables, including non-HDL-C.

Results: The mean BMI levels rose from 22.9 to 23.5 kg/m2 during this period. Non-HDL-C levels had a significant increase (from 3.87 to 3.93 mmol/L), and a partial correlation test, adjusted for age and all measured metabolic variables, revealed that BMI change was significantly and independently correlated to non-HDL-C levels (r=0.25, p<0.0001), along with systolic BP. The subgroup with an age of <50 years had a clear correlation between BMI change and non-HDL-C levels (r=0.34, p=0.001), contrary to those of ≥50 years.

Conclusions: A short-term involuntary weight gain was significantly and independently correlated to an increase in non-HDL-C levels among asymptomatic Japanese females, particularly in relatively young subjects. In achieving a more favorable lipid profile of non-HDL-C, even a modest weight gain may need attention.

Clin Chem Lab Med 2008;46:541–4.


Corresponding author: Kazuhiko Kotani, MD, PhD, Division of Health Administration and Promotion, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago 683-8503, Japan Phone: +81-859-38-6113, Fax: +81-859-38-6110,

Received: 2007-11-7
Accepted: 2007-12-8
Published Online: 2008-02-26
Published in Print: 2008-04-01

©2008 by Walter de Gruyter Berlin New York

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