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Table 1 Spearman’s ρ and maximum WT for the agreement between the predicted WT maps and the original WT maps based the individual maps on the cohort-averaged maps

From: Spatial correlations between MRI-derived wall shear stress and vessel wall thickness in the carotid bifurcation

Prediction model Quantification method Individual maps Cohort-averaged maps
Total model Spearman ρ 0.39 ± 0.15
p < 0.001
0.21 ± 0.22
p < 0.001
Maximum WT (mm) 1.7 ± 0.4 2.1 ± 0.3
WSS only Spearman ρ 0.25 ± 0.16
p < 0.001
0.24 ± 0.18
p < 0.001
Maximum WT (mm) 1.4 ± 0.2 1.7 ± 0.0
Diameter only Spearman ρ 0.22 ± 0.18
p < 0.001
0.07 ± 0.28
p = 0.413
Maximum WT (mm) 1.5 ± 0.4 1.4 ± 0.1
Interaction term: WSS*D only Spearman ρ 0.25 ± 0.14
p < 0.001
0.22 ± 0.18
p < 0.001
Maximum WT (mm) 1.4 ± 0.3 1.6 ± 0.0
  1. All p values calculated as Student’s t-test after the Fisher z-transformation to determine significant difference with 0. p values lower than 0.05 were considered as significant. WT wall thickness, WSS wall shear stress, D diameter