Table 2.

Pearson and Spearman correlation coefficients between mean and maximal stenosis severity, proximal and distal aortic PWV and cross-sectional carotid NWI, both for the total dataset as well as for one outlier removed

	All patients included			Two outliers removed
	Mean SC r P	Max SC r S	NWI r P	Mean SC r P	Max SC r S	NWI r P
PWV proximal	0.20 (p=0.22, N=42)	0.23 (p=0.14, N=42)	0.31 (p=0.048, N=42)	0.48 (p=0.002, N=40)	0.22 (p=0.18, N=41)	0.22 (p=0.17, N=41)
PWV distal	0.49 (p=0.001, N=42)	0.65 (p<0.001, N=42)	0.21 (p=0.18, N=42)	0.64 (p<0.001, N=41)	0.65 (p<0.001, N=42)	0.21 (p=0.18, N=42)
NWI	0.15 (p=0.34, N=42)	0.14 (p=0.37, N=42)		0.17 (p=0.28, N=41)	0.14 (p=0.37, N=42)

PWV: pulse wave velocity, NWI: normalized wall index, SC: stenosis class, r_P: Pearson correlation coefficient, r_S: Spearman correlation coefficient, N: number of samples.