Figure 2

Thrombosis free-survival in patients with SVT index event according to presence of splenomegaly (HR: 2.24, 95% CI: 1.00–6.71, P=0.05; upper panel) and the presence of leukocytosis at the diagnosis (HR: 2.81, 95% CI: 1.17–6.34, P=0.08; lower panel).