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Table 1 Antibiotic susceptibility pattern of Enterobacteriaceae containing ESBL related genes

From: Assessment of extended-spectrum β-lactamases and integrons among Enterobacteriaceae in device-associated infections: multicenter study in north of Iran

  Klebsiella pneumoniae Enterobacter .spp E.coli
N = 24 N = 5 N = 6
Positive ESBL related genes
SHV CTX VEB GES SHV CTX VEB GES SHV CTX VEB GES
N = 22 N = 14 N = 4 N = 4 N = 5 N = 2 N = 3 N = 1 N = 6 N = 1 N = 1 N = 1
Amikacin R 50 50 25 25 60 100 33 0 66.6 100 100 100
I 27.2 28.5 50 25 40 0 66 100 16.6 0 0 0
S 22.7 21.5 25 50 0 0 0 0 16.6 0 0 0
Ciprofloxacin R 40.9 50 0 25 0 0 0 0 33.3 0 0 100
I 31.8 28.5 50 50 0 0 0 0 - - - -
S 27.2 21.5 50 25 100 100 100 100 66.6 100 100 0
Imipenem R 36.3 50 25 50 0 0 0 0 16.6 0 0 0
I 27.2 28.5 25 25 20 50 33 100 16.6 0 0 100
S 36.3 21.5 50 25 80 50 66 0 66.6 100 100 0
Gentamicin R 81.8 85.7 50 100 80 100 33 0 83.33 100 100 100
I 4.54 0 0 0 20 0 33 100 16.6 0 0 0
S 13.63 14.2 50 0 0 0 33 0 - - - -
Ceftazidime R 72.7 57.14 75 50 60 50 100 100 50 100 100 0
I 27.2 35.7 25 25 40 50 0 0 33.3 0 0 100
S 13.63 7.1 0 25 0 0 0 0 16.6 0 0 0
Tobramycin R 59 64.28 50 25 60 100 33 0 33.3 0 0 100
I 31.8 28.57 50 50 0 0 0 0 16.6 0 100 0
S 9.1 7.1 0 25 40 0 66 100 50 100 0 0
Piperacillin-Tazobactam R 63.6 64.28 50 75 60 0 33 100 16.6 0 0 0
I 31.8 28.57 25 25 0 50 66 0 66.6 100 100 100
S 4.54 7.1 25 0 40 50 0 0 16.6 0 0 0
Cefepime R 72.7 85.71 25 100 60 100 66 100 33.3 0 100 0
I 9.1 7.1 25 0 20 0 0 0 16.6 0 0 100
S 18.18 7.1 50 0 20 0 33 0 50 100 0 0
Colistin R 72.7 71.42 50 25 40 100 33 0 33.3 0 0 100
I 27.2 14.2 25 25 20 0 0 0 16.6 100 0 0
S 13.63 14.2 25 50 40 0 66 100 50 0 100 0
Co-trimoxazole R 81.8 85.71 75 75 80 100 66 0 33.3 0 100 100
I - - - - 0 0 0 0 - - - -
S 18.2 14.2 25 25 20 0 33 100 66.6 100 0 0
  1. R resistant, I intermediate, S sensitive