Association of serum γ-glutamyltransferase with C-reactive protein levels and white blood cell count in Korean adults

Yong Jae Lee, Jong Koo Kim, Jung Hyun Lee, Hye Ree Lee, Dae Ryong Kang, Jae Yong Shim

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Abstract

Background: Elevated γ-glutamyltransferase (GGT) has emerged as an independent predictor of cardiovascular disease (CVD) which is increasingly viewed as an inflammatory disease. Thus, the mechanism underlying the link between elevated GGT and CVD may be inflammation. Methods: We examined the relationship between GGT and C-reactive protein (CRP) levels and white blood cell (WBC) count in 4562 Korean adults (2104 men, 2458 women). The odds ratio (OR) and 95% confidence interval (CI) for high CRP and WBC count (≥75th percentile) for both men and women were calculated across each quartile of serum GGT. Results: Results for the OR (95% CI) for high CRP levels by GGT quartiles were 1.00, 1.67 (1.21-2.29), 2.10 (1.51-2.93) and 2.51 (1.81-3.60) in men, and 1.00, 1.05 (0.65-1.68), 1.45 (0.79-2.02) and 2.16 (1.37-3.41) in women after adjustment for age, smoking status, alcohol intake, exercise, body mass index, blood pressure, fasting plasma glucose, triglyceride, high-density lipoprotein-cholesterol, and uric acid. Similarly, positive associations between serum GGT and WBC count were also observed. Conclusions: The present study demonstrates a positive correlation between GGT and two markers of inflammation, serum CRP and WBC count. Our findings suggest that serum GGT may be a surrogate inflammatory marker and a useful additional measure in assessing cardiovascular risk.

Original languageEnglish
Pages (from-to)1410-1415
Number of pages6
JournalClinical Chemistry and Laboratory Medicine
Volume46
Issue number10
DOIs
Publication statusPublished - 2008 Oct 1

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All Science Journal Classification (ASJC) codes

  • Clinical Biochemistry
  • Biochemistry, medical

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