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Table 2 Antimicrobial susceptibility patterns of carbapenem sensitive isolates against selected antibiotics

From: Evolution of carbapenem resistance in klebsiella pneumoniae and escherichia coli carrying blaNDM−1 gene: imipenem exposure results in sustained resistance memory of strains in vitro

Strains

MIC(µg/mL)

SAM

CAP

CIP

CRO

CFZ

CXM

FOX

CAZ

FEP

CN

TIM

PTZ

MI

SXT

LEV

IPM

MEM

K.pneumoniae (n = 20)

> 16/8

(n = 6)

≥ 32

(n = 2)

≥ 4

(n = 1)

≥ 64

(n = 6)

≥ 8

(n = 7)

≥ 32

(n = 8)

≥ 32

(n = 1)

≥ 32

(n = 5)

≥ 32

(n = 3)

≥ 16

(n = 2)

≥ 64

(n = 4)

≥ 32

(n = 1)

≥ 16

(n = 1)

≥ 8/152

(n = 5)

≥ 8

(n = 1)

˂1

(n = 20)

˂1

(n = 20)

E.coli

(n = 20)

> 16/8

(n = 7)

≥ 32 (n = 1)

≥ 4

(n = 13)

≥ 64

(n = 14)

≥ 8

(n = 15)

≥ 32

(n = 14)

≥ 32

(n = 0)

≥ 32

(n = 6)

≥ 32

(n = 12)

≥ 16

(n = 7)

≥ 64

(n = 4)

≥ 32

(n = 10)

≥ 16

(n = 0)

≥ 8/152

(n = 15)

≥ 8

(n = 11)

˂1

(n = 20)

˂1

(n = 20)

  1. SAM, Ampicillin/sulbactam; CAP, Chloramphenicol; CIP, Ciprofloxacin; CRO, Ceftriaxone; CFZ, Cefazolin; CXM, Cefuroxime; FOX, Cefoxitin; CAZ, Ceftazidime; FEP, Cefepime;
  2. CN, Gentamicin; TIM, Ticarcillin/Clavulanic acid; PTZ, Piperacillin/tazobactam; MI, Minocycline; SXT, Sulfamethoxazole; LEV, Levofloxacin; IPM, Imipenem; MEM, Meropenem