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oai:repisalud.isciii.es:20.500.12105/65252024-09-27T09:27:19Zcom_20.500.12105_19604com_20.500.12105_2051col_20.500.12105_19605

00925njm 22002777a 4500 dc Menke, Andy author Fernandez-Real, Jose Manuel author Muntner, Paul author Guallar, Eliseo author 2009 Background: Several studies have examined the association of biomarkers of iron metabolism with measures of carotid artery atherosclerosis, with inconsistent results. Few studies, however, have evaluated the association between biomarkers of iron metabolism and peripheral arterial disease ( PAD). The purpose of this study is to examine the association of ferritin and transferrin saturation with PAD. Methods: Serum ferritin, transferrin saturation, and PAD, defined as having an ankle-brachial blood pressure index <0.9, were measured in 1,631 men and 1,031 postmenopausal women participating in the 19992002 National Health and Nutrition Examination Survey ( NHANES). Results: The multivariable adjusted odds ratios (95\% confidence interval) for PAD associated with a two-fold increase in serum ferritin and transferrin saturation were 1.18 (1.001.41) and 1.45 (0.832.51), respectively, for men and 1.04 (0.871.25) and 1.55 (0.982.45), respectively, for women. After stratifying by cholesterol levels, the multivariable adjusted odds ratios ( 95\% confidence intervals) for PAD associated with a two-fold increase in ferritin and transferrin saturation was 1.04 (0.781.39) and 0.73 (0.351.50), respectively, for men with total cholesterol <200 mg/dL and 1.30 (0.991.72) and 2.59 (0.996.78), respectively, for men with total cholesterol >= 200 mg/dL (p-value for interaction was 0.58 for ferritin and 0.08 for transferrin saturation). After stratifying by cholesterol levels, the multivariable adjusted odds ratios ( 95\% confidence intervals) for PAD associated with a two-fold increase in ferritin and transferrin saturation was 0.66 (0.411.05) and 0.75 (0.441.28), respectively, for women with total cholesterol <200 mg/dL, and 1.20 (0.951.51) and 2.07 (1.014.22), respectively, for women with total cholesterol >= 200 mg/dL (p-value for interaction was 0.05 for ferritin and 0.02 for transferrin saturation). Conclusion: In this large nationally representative sample of men and postmenopausal women, we found a modest association of ferritin and transferrin saturation with PAD, particularly among those with high cholesterol levels. BMC Cardiovasc Disord. 2009; 9:34 1471-2261 http://hdl.handle.net/20.500.12105/6525 19650928 10.1186/1471-2261-9-34 BMC Cardiovascular Disorders CORONARY-HEART-DISEASE ANKLE-BRACHIAL INDEX ACUTE MYOCARDIAL-INFARCTION EASTERN FINNISH MEN CAROTID ATHEROSCLEROSIS SERUM FERRITIN CARDIOVASCULAR-DISEASE STROKE INCIDENCE RENAL-DISEASE RISK-FACTORS The association of biomarkers of iron status with peripheral arterial disease in US adults