Association Of Serum Calcium Concentrations With Fibrinogen And Homocysteine In Nondiabetic Korean Subjects
MEDICINE(2016)
摘要
Considerable evidence shows that increased serum calcium levels are associated with metabolic disorders, cardiovascular disease, and increased mortality. This study investigated whether serum calcium, within a normal range, is significantly associated with serum fibrinogen and homocysteine, markers of increased cardiovascular disease risk in nondiabetic Korean subjects.A cross-sectional analysis was performed on 1096 subjects (mean age, 55.1 +/- 11.1 years; 36.1% women) undergoing a general health checkup. Serum biochemistry was analyzed including serum albumin-corrected calcium (Ca-c), insulin resistance (IR, using homeostasis model assessment [HOMA]), fibrinogen, and homocysteine.Compared with patients within the lowest Ca-c quartile, those with higher Ca-c levels had increased fibrinogen and homocysteine levels as well as an increased proportion of smoking, dyslipidemia, and HOMA-IR. Correlation analyses revealed linear relationships for Cac with fibrinogen and homocysteine in both genders. After adjustment for confounding factors, serum Cac was significantly associated with high fibrinogen (odds ratio [OR] for the highest vs the lowest quartile=1.76, 95% confidence interval [CI]=1.09-2.83, P=0.02) and homocysteine (OR=1.83, 95% CI=1.07-3.11, P=0.027). Multivariate regression models showed that Cac was linearly associated with fibrinogen (standardized b=0.14, P<0.001) and homocysteine (standardized beta=0.07, P=0.009).High normal calcium concentrations were independently associated with increased levels of fibrinogen and homocysteine. Further investigation is needed to validate whether slightly increased calcium levels within the normal range indicate a higher risk of cardiovascular disease.
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关键词
atherosclerosis,calcium,fibrinogen,homocysteine
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