TNFSF13B and neoplasm: In the univariate analysis, factors associated with poor outcomes included having higher levels of CSF BAFF (P = 0.0606), a chronic onset (P = 0.0010), an elevated CSF PRO level (P = 0.0123), tumours (P < 0.0001), and PNS (P = 0.0372) (Table 3).