Table 1.

Clinical features of studied IgAN patients and healthy controls

Variable	HSs (n = 23)	IgAN patients (n = 44)	Non-IgAN glomerulonephritis (controls, n = 22)
Age (years), mean ± SD	37 ± 11	41 ± 10	46 ± 15
Male, %	56	62	40
Serum creatinine (mg/dL), mean ± SD	0.88 ± 0.24	1.14 ± 0.41	0.98 ± 0.30
Proteinuria (g/day), mean ± SD	0.05 ± 0.01	1.36 ± 1.18	0.93 ± 0.74
GFR (mL/min/1.73 m2), mean ± SD	96.1 ± 7.0	86.4 ± 27.9	87.0 ± 32.7
Body mass index (kg/m2), mean ± SD	25 ± 4	25 ± 4	26 ± 3