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  • Title: Comparison of lipoprotein derived indices for evaluating cardio-metabolic risk factors and subclinical organ damage in middle-aged Chinese adults.
    Author: Cao X, Wang D, Zhou J, Chen Z.
    Journal: Clin Chim Acta; 2017 Dec; 475():22-27. PubMed ID: 28969987.
    Abstract:
    BACKGROUND: High-density lipoprotein cholesterol (HDL-C) and related lipoprotein ratios were used to assess lipid atherogenesis or insulin resistance. However, which of these indices is superior remains controversial and could differ across ethnic groups. We evaluated the efficacy of HDL-C, and related lipoprotein ratios in identifying cardio-metabolic risk factors (CMRs) or preclinical organ damage among a health check-ups population in China. METHODS: We conducted a cross-sectional study of 17,596 Chinese adults aged 40-64years, who participated in annual health checkups in China. Anthropometric, biochemical, liver ultrasound scan, brachial-ankle pulse wave velocity (baPWV) and carotid intima-media thickness (cIMT) were analyzed. Partial spearman correlations, receiver operating characteristic (ROC) curves were used for statistical analyses. RESULTS: In both gender, the triglyceride to high-density lipoprotein cholesterol (TG/HDL-C) ratio consistently had the highest correlation with various CMRs and subclinical organ damage. Overall, the area under the curve (AUC) of TG/HDL-C ratio was significantly greater than that of the rest lipid variables/ratios in the prediction of abdominal obese, high blood pressure, impaired fasting glucose, metabolic syndrome, and preclinical signs of organ damage (all P<0.001). In both gender with a normal TG and HDL-C concentration, those with an increased TG/HDL-C, had higher concentrations of various CMRs and higher presence of subclinical organ damage (despite no significant differences were found between different TG/HDL-C for part of CMRs indicators). CONCLUSIONS: In this population, TG/HDL-C ratio of ≥1.255 in men and ≥0.865 in women can identify individuals with cardio-metabolic risk, despite TG/HDL-C ratio, TC/HDL-C ratio, and LDL-C/HDL-C ratio seem comparable in their association with CMRs and subclinical signs of organ damage.
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