Rate of resistance (%) K pneumoniae P aeruginosa A baumanii E coli imipenem 0 17.4 16.7 0 ertapenem 0 NA NA 0 ceftazidime 76.2 52.2 78.9 38.9 ceftriaxone 90.5 60.9 83.3 61.1 cefoperazone 90.5 52.2 94.4 72.2 cefepime 33.3 52.2 72.2 44.4 piperacillin / tazobactam 38.1 21.7 50 11.1 ticarcilline / clavuanic 66.7 39.1 50 22.2 gentamicin 85.7 65.2 83.3 61.1 tobramycin 81.0 52.2 77.8 61.1 ciprofloxacin 57.1 39.1 72.2 66.7 levofloxacin 52.4 43.5 66.6 66.7 NA: not applicable Discussion: The study showed a high resistance against third-generation cephalosporins and aminoglycosides in GNB causing HAIs.