Adjusted for age, gender, race, body mass index, smoking, anti-hypertensive medication use, systolic blood pressure measured at MRI exam, fasting glucose, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, triglycerides, lipid lowering medicine use, left ventricular ejection fraction, and Apnea-Hypopnea index. aPWV, aortic pulse wave velocity; AAD, ascending aortic distensibility; DAD, descending aortic distensibility