TGFB1 and Venous thrombosis: Interestingly, when we compared the levels of MV and TGF-β, we found a significant indirect association between the two in the whole cohort (Figure 2A, r = −0.496, p < 0.001), which was confirmed in the subgroups of patients without thrombosis (Figure 2B, r = −0.57, p < 0.001).