Figure 2From: Serum VEGF levels are related to the presence of pulmonary arterial hypertension in systemic sclerosis Serum VEGF levels in patients with SSc and in healthy controls. Data are shown as box plots, with upper and lower quartiles shaded. All: all patients with SSc, sPAP < 35 mmHg: patients with sPAP < 35 mmHg, sPAP ≥ 35 mmHg: patients with sPAP ≥ 35 mmHg. **:p < 0.01, ***:p < 0.001, ns: non significant.Back to article page