GUCA2B and bathing suit ichthyosis: In contrast, cGN-BSI cases had a higher prevalence of AmpC producers and P. aeruginosa, with 22.6% (21/93) and 8.6% (8/93) respectively, compared to 8% (8/101) and 6.9% (7/101) in uGN-BSI (p-value < 0.01, Table 1).