Fig. 2From: Arterial stiffness, endothelial and cognitive function in subjects with type 2 diabetes in accordance with absence or presence of diabetic foot syndromeSignificant correlations among clinical and arterial stiffness and endothelial function variables (a–c). a Correlation between PWV and RHI (reactive hyperaemia index); b correlation between RHI and hemoglobin A1c (HbA1c); c correlation between augmentation index (AIx) and hemoglobin A1c; d correlation between minimental state examination (MMSE) score and ageBack to article page