CRP and peripheral arterial disease: Age, sex, race, waist-to-hip ratio, BMI, blood pressure (normal, prehypertension, hypertension), total cholesterol, triglycerides, HDL, presence or absence of past history of stroke, heart attack, peripheral arterial disease, presence or absence of family history of diabetes and heart attack, history of chest pain, level of education, smoking status, level of physical activity, alcohol use, CRP level, urinary albumin/creatinine ratio, GFR, and glycated hemoglobin levels.