Table 1. Soluble urokinase-type plasminogen activator receptor (suPAR) and CD40 auto antibody (CD40autoAb) levels in sera from focal segmental glomerulosclerosis (FSGS) patients with biopsy proven recurrence after kidney transplant.

Circulating factor	Patient 1	Patient 2	Patient 3	Mean level reported in healthy individuals
suPAR (ng/mL)	5.17	8.934	6.806	2.1
CD40 (ng/μL)	563.03	1,041.89	980.55	214.1
Total IgG (ng/μL)	5,253.69	6,208.20	11,626.74	8,324.01
CD40 /IgG	0.11	0.17	0.08	0.02