Resistance to antimicrobials in ESBL (black bar)- and non-ESBL (white bar)-producing isolates. *Indicates a significant difference between ESBL and non-ESBL with p ≤ 0.05. AMP, ampicillin; SAM, ampicillin with sulbactam; TZP, piperacillin with tazobactam; AMC, amoxicillin with clavulanic acid; CFZ, cefazolin; CTX, cefotaxime; CAZ, ceftazidime; CRO, ceftriaxone; CXM, cefuroxime; FEP, cefepime; FOX, cefoxitin; ATM, aztreonam; ETP, ertapenem; MEM, meropenem; IMI, imipenem; GEN, gentamicin; AMI, amikacin; TOB, tobramycin; NIT, nitrofurantoin; SXT, sulfamethoxazole/trimethoprim; TET, tetracycline; CIP, ciprofloxacin; LEV, levofloxacin.