Figure 3From: Activation of transforming growth factor-β1and early atherosclerosis in systemic lupus erythematosusSLE disease severity and TGFβ1 Activation Index. Patients with SLICC score 1–3 have a significantly lower TGF-β1 AI than do patients with mild disease (SLICC score 0). SLICC, Systemic Lupus International Collaborating Clinics; TGF, transforming growth factor.Back to article page