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Table 4 Antimicrobial susceptibility pattern of K. pneumoniae isolates

From: Klebsiella pneumoniae pneumonia in patients with rheumatic autoimmune diseases: clinical characteristics, antimicrobial resistance and factors associated with extended-spectrum β-lactamase production

Antibiotics Susceptibility (N = 60) Resistance
Imipenem 56 (93.3%) 6.7%
Meropenem 55 (91.7%) 8.3%
Ertapenem 55 (91.7%) 8.3%
Amikacin 54 (90.0%) 10.0%
Tigecycline 48 (80.0%) 20.0%
Cefperazone-sulbactam 44 (73.3%) 26.7%
Piperacillin-tazobactam 40 (66.7%) 33.3%
Gentamicin 39 (65.0%) 35.0%
Ceftazidime 38 (63.3%) 36.7%
Cefepime 37 (61.7%) 38.3%
Aztreonam 34 (56.7%) 43.3%
Amoxicillin-clavulanic acid 33 (55.0%) 45.0%
Ceftriaxone 31 (51.7%) 48.3%
Levofloxacin 30 (50.0%) 50.0%
Minocycline 30 (50.0%) 50.0%
Sulfamethoxazole trimethoprim 29 (48.3%) 51.7%
Cefuroxime 27 (45.0%) 55.0%
Ciprofloxacin 26 (43.3%) 56.7%
  1. Strains showing “intermediate” in antimicrobial susceptibility testing were included as “non-susceptible” isolates
  2. Resistance (%) = 1- susceptibility (%)