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Association between hemoglobin A1c, carotid atherosclerosis, arterial stiffness, and peripheral arterial disease in Korean type 2 diabetic patients

Seong-Woo Choia, Min-Ho Shina, Woo-Jun Yuna, Hey-Yeon Kima, Young-Hoon Leeb, Sun-Seog Kweonc, Jung-Ae RheeaCorresponding Author Informationemail address, Jin-Su Choia

Received 12 October 2009; received in revised form 4 November 2009; accepted 2 December 2009. published online 28 January 2010.
Corrected Proof

Abstract 

Aims

To evaluate the association between hemoglobin A1c (HbA1c), carotid atherosclerosis, arterial stiffness, and peripheral arterial disease (PAD) in Korean type 2 diabetic patients.

Methods

A total of 370 type 2 diabetic patients registered with the public health center in Gokseng-gun, Korea, participated in this study. Following an overnight fast, venous blood was collected and analyzed by high-performance liquid chromatography. The carotid intima-media thickness (IMT), amount of carotid plaque, brachial ankle pulse wave velocity (baPWV), and ankle-brachial index (ABI) of each patient were also assessed.

Results

For categorical variables, we performed logistic regression after adjustment for other CVD risk factors. There was a significant association between HbA1c and carotid plaque [OR 2.66, 95% confidence interval (CI) 1.01 to 5.67 for the highest vs. the lowest tertile of HbA1c], and PAD (OR 3.75, 95% CI 1.30 to 10.81). For continuous variables, we performed analysis of covariance (ANCOVA) after adjustment for other covariates. The mean values of common carotid artery intima-media thickness (CCA-IMT) and baPWV were not significantly different according to the HbA1c tertiles.

Conclusion

HbA1c was significantly associated with carotid plaque and PAD, but not CCA-IMT and baPWV in Korean type 2 diabetic patients.

a Department of Preventive Medicine, Chonnam National University Medical School, Gwangju 501-746, Republic of Korea

b Department of Preventive Medicine, Seonam University College of Medicine, Jeollabukdo 590-711, Republic of Korea

c Jeonnam Regional Cancer Center, Chonnam National University Hwasun Hospital, Jeollanamdo 519-809, Republic of Korea

Corresponding Author InformationCorresponding author. Tel.: +82 62 220 4163; fax: +82 62 233 0305.

PII: S1056-8727(09)00132-9

doi:10.1016/j.jdiacomp.2009.12.001

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