The ratio of the area of the von Willebrand factor (vWF)-positive staining to the total lesion area in the Stroke + Kr group was almost twice that in the control group, with 0.11 (0.10; 0.13) versus 0.06 (0.04; 0.07) (p = 0.029) (Figure 3g). Here, VWF is linked to Stroke.