This increased risk is due to increased incidence of glomerulonephritis. 80% of these cases are due to deposits of immune complexes and to membrane proliferation followed by nephropathy caused by mesangial IgA deposits.
Este mayor riesgo se debe a la mayor incidencia de glomerulonefritis, 80% de esta a causa del depósito de complejos inmunes, membrano-proliferativa, seguida por nefropatía por IgA y mesangial.