Figure 1From: Raised intrathecal levels of APRIL and BAFF in patients with systemic lupus erythematosus: relationship to neuropsychiatric symptomsRaised APRIL and BAFF levels in cerebrospinal fluid of systemic lupus erythematosus (SLE) patients. Cerebrospinal fluid levels of (a) APRIL and (b) BAFF in SLE patients and in healthy controls. APRIL and BAFF levels are expressed in picograms per millilitre. Median values are depicted with a line. *P < 0.05, ***P < 0.001. APRIL, a proliferation-inducing ligand; BAFF, B-cell activating factor of tumour necrosis factor family.Back to article page