Medication use of study groups.

<p>ACEi = angiotensin-converting enzyme inhibitor; ARB = angiotensin receptor blocker.</p

Classification variables for patient group definition.

<p>AU = arbitrary units; IMT = intima media thickness.</p

Odds ratios for increasing degree of atherosclerosis (control, subclinical atherosclerosis, symptomatic peripheral arterial disease) by 1 unit increase of skin autofluorescence (Skin AF).

<p>Model 1 was only corrected for age, sex, diabetes mellitus and renal function. In model 2, we corrected additionally for cardiovascular risk factors as Framingham risk score. Model 3 was corrected for age, sex, renal function and metabolic syndrome.</p

Box plot of skin autofluorescence between patients with increasing degree of atherosclerosis.

<p>Box plot of skin autofluorescence between patients with increasing degree of atherosclerosis.</p