| Summary: | <p>Abstract</p> <p>Objective</p> <p>To investigate the association of serum osteocalcin with carotid atherosclerosis in patients with type 2 diabetes.</p> <p>Methods</p> <p>We performed a cross-sectional community-based study in metropolitan area. Serum total osteocalcin was measured by radioimmunoassay in 382 men and 435 postmenopausal women. The carotid artery intima-media thickness (IMT) and carotid plaques (PLQ) were measured by B-mode ultrasound.</p> <p>Results</p> <p>The crude mean of serum osteocalcin concentrations were 4.52±2.43 ng/ml for men and 5.75±2.92 ng/ml for postmenopausal women (P <0.001), respectively. Osteocalcin levels were associated inversely with age, fasting serum insulin, HOMA-IR, ALT, triglycerides, total cholesterol, LDL- cholesterol, CRP (all <it>P</it><0.001) and positively with adiponectin and HOMA-B (all P<0.05). After multiple adjustment, the odds ratios (ORs) were substantially higher risk for carotid plaques (OR 1.77 for 1 SD decrease in osteocalcin, 95% CI 1.23-2.76, p=0.005). These associations remained significant after further adjustment for potential confounder.</p> <p>Conclusions</p> <p>Serum osteocalcin levels is an independent risk factor for carotid atherosclerosis in patients with type 2 diabetes.</p>
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