CD79A and IgA glomerulonephritis: More importantly, a significant difference in uEGF/uCreat was seen between the MCD patients and the patients with “FSGS/IgA/GN.” MCD patients had a 57% higher uEGF/uCreat than the children with FSGS, IgA nephropathy, or another glomerulopathy (p = 0.026) (Table 6B).