In both group A and group AGM, more patients carrying the variant allele had episodes of upper respiratory or gastrointestinal infections prior to the onset or exacerbation of IgAN than wild homozygotes.

• (2 )无论在 A组还是在 AGM组 ；GAC等位基因携带者中起病时有前驱感染史者均显著多于 GGC纯合子(P<0 .；0 5 )。