TABLE 4.

Susceptibility test results for Pseudomonas spp.a

DrugNo. of isolatesNo. of isolates in interpretive category% of results with:
SIREACAmEMEVME
Fluoroquinolones
    Ciprofloxacin785342197.498.71.30.00.0
    Levofloxacin744742391.996.04.10.00.0
    Lomefloxacin7837113096.298.71.30.00.0
    Norfloxacin785361996.297.42.60.00.0
    Ofloxacin774552797.498.71.30.00.0
Aminoglycosides
    Amikacin79691991.196.22.50.011.1
    Gentamicin7953917100.0100.00.00.00.0
    Netilmicin785761598.7100.00.00.00.0
    Tobramycin79621797.5100.00.00.00.0
β-Lactam penicillins
    Piperacillin79572292.396.20.01.89.1
    Ticarcillin79562393.798.70.01.80.0
β-Lactam/β-lactamase inhibitors
    Piperacillin/tazobactam79611892.397.50.00.011.1
Carbapenems
    Imipenem776061193.594.85.20.00.0
    Meropenem77677390.998.71.30.00.0
Cephems
    Cefepime785514991.097.42.60.00.0
    Cefoperazone7846102296.296.22.62.20.0
    Cefotaxime795383691.191.17.620.00.0
    Ceftazidime775871294.897.42.60.00.0
    Ceftizoxime783255091.091.07.733.30.0
    Ceftriaxone7917293387.388.610.15.90.0
Monobactams
    Aztreonam785181991.091.07.72.00.0
  • a The NCCLS breakpoint standard was used for each drug.