Note. n : number of patients; %: percentage.
*Group A: reactive only to ampicillin and amoxicillin.
† Group B: reactive to benzylpenicillin,
ampicillin, and amoxicillin.
‡Group C: reactive to both penicillins and
cephalosporins.
Table 3. Haplotype association study for the association
between HLA-DRB3 haplotypes and the risk of delayed and immediate
hypersensitivity to penicillins