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Table 2 Percentage of antibiotic resistance in carbapenem resistant and susceptible K. pneumoniae

From: Co-existence of virulence factors and antibiotic resistance in new Klebsiella pneumoniae clones emerging in south of Italy

Class

Antibiotics

K. pneumoniae CR %

K. pneumoniae CS %

P value

Aminoglicosydes

Gentamycin

64

48

0.022

Carbapenems

Imipenem

100

0

NA

Meropenem

100

0

NA

Ertapenem

100

0

NA

Monobactams

Aztreonam

100

60

NA

Fluoroquinolones

Ciprofloxacin

100

64

NA

Sulfonamides-

Trimethoprim

Trimethoprim-sulfamethoxazole

76

60

0.015

Penicillin

Amoxicillin/ clavulanic acid

100

56

NA

Piperacillin/tazobactam

100

44

NA

Cephalosporin

Cefotaxime

100

60

NA

Cefuroxime

100

60

NA

Cefepime

88

56

0

Ceftazidime

100

60

NA

 

Fosfomycin c/G6P

36

16

0.001

Tetracyclin

Tigecyclin

8

4

0.233

Colistin

 

20

4

0

  1. NA: chi-squared test not applicable