This former disease generally affects older men, whereas IgAN develops in young or middle-aged people.30 IgA and C3-predominant or codominant immune complex deposits along glomerular capillary loops and mesangial areas were detected in patients with glomerulonephritis related to staphylococcal infection, whereas IgAN showed mesangial deposits. Here, C3 is linked to staphylococcal infection.