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Table 1 The AST profile and MIC of the NGKPC-421 isolate

From: First report of Klebsiella quasipneumoniae harboring blaKPC-2 in Saudi Arabia

Antimicrobial agent

MIC (mg/L)

VITEK IIa

Micronauta

Amikacin

4

S

S

Amoxicillin-clavulanate

32

R

–

Ampicillin

32

R

R

Cefazolin

30

R

R

Cefepime

4

R

R

Cefoxitin

30

–

R

Cefotaxime

2

R

R

Ceftazidime

64

R

R

Ceftriaxone

6

R

–

Chloramphenicol

4

–

S

Ciprofloxacin

0.5

R

R

Colistin

1

–

S

Fosfomycin

< 32

–

S

Gentamicin

> 16

R

–

Imipenem

4

R

R

Levofloxacin

1

–

R

Meropenem

8

R

R

Piperacillin

16

R

R

Piperacillin-tazobactam

64/4

–

R

Temocillin

< 32

–

S

Tigecycline

0.25

S

S

Trimethoprim-sulfamethoxazole

4/76

R

R

  1. aVITEK II and MICRONAUT assays were repeated (n = 2) and (n = 3), respectively
  2. R indicates resistant and S indicates susceptible to a given antibiotic based on the EUCAST guidelines [18] and (−) indicates the undetermined antimicrobial sensitivity test for a given antimicrobial agent