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Ethnicity and peripheral arterial disease.

Collins TC, Petersen NJ, Suarez-Almazor M, Ashton CM. Ethnicity and peripheral arterial disease. Mayo Clinic proceedings. Mayo Clinic. 2005 Jan 1; 80(1):48-54.

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OBJECTIVE: To determine whether race/ethnicity is an independent risk factor for peripheral arterial disease (PAD). PATIENTS AND METHODS: From September 2000 through August 2001, we screened patients (age > or = 55 years) for PAD within 4 primary care clinics located in the Houston, Tex, area. Variables that were bivariately associated with PAD (P < or = .05) were selected for entry into a multivariate logistic regression model to determine the independent risk factors for PAD. RESULTS: Among 403 patients (136 white, 136 African American, and 131 Latino patients, 81 of whom were Spanish speaking), the prevalence of PAD was 22.8% among African American patients, 13.7% among Latino patients, and 13.2% among white patients (P = .06). Within the multivariate model, adjusting for age, smoking status (odds ratio [OR], 2.58; 95% confidence interval [CI], 1.27-5.25), diabetes mellitus (OR, 2.98; 95% CI, 1.58-5.63), hypertension (OR, 2.58; 95% CI, 1.12-5.95), and education, African American and Latino patients were not more likely than white patients to have a diagnosis of PAD (OR 1.89, 95% CI 0.89-3.99 and OR 1.54, 95% CI 0.59-4.06, respectively). CONCLUSION: After adjusting for atherosclerotic risk factors and level of education, ethnicity was not an independent risk factor for PAD. When determining ethnic variation in outcomes among patients with PAD, efforts are needed to better understand the role of the primary care setting to reduce the burden of social inequality on health.

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