We found that the phenotypic resistance to cefotaxime,
ceftazidime, and ceftriaxone of ESBL-producing isolates may provide information concerning the correlation
with the presence of blaSHV, blaCTX-M, or blaVEB-1-like genes (p < 0.05), but not the blaTEM gene (p > 0.05). A
good correlation between the phenotypes and genotypes of ESBLs may provide the guidelines for selecting
appropriate antimicrobial agents for empirical treatment before obtaining the susceptibility results