JAK2 and Arterial thrombosis: Concerning arterial thrombosis at or prior to diagnosis, univariate analysis reported as being statistically significant older age (p < 0.001), male sex (p = 0.01), a JAK2V617F mutated status (p < 0.001) and presence of at least one cardiovascular risk factor (p < 0.001); multivariate analysis confirmed the independent prognostic impact of older age (p < 0.001), JAK2 mutation (p = 0.004) and ≥1cardiovascular risk factor (p < 0.001), but not male sex (p = 0.08).