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Table 1 MICs for the ECC clinical isolate treated with CFZ and IMP

From: Cefazolin and imipenem enhance AmpC expression and resistance in NagZ-dependent manner in Enterobacter cloacae complex

Antibiotics

MIC(μg/ml)

control

CFZ(64 μg/ml)

CFZ(256 μg/ml)

IMP(0.0625 μg/ml)

IMP(0.125 μg/ml)

PIP

64

128

512

512

1024

TZP

32

128

256

512

1024

ATM

32

64

256

256

512

CRO

16

32

64

256

512

CAZ

16

64

128

128

256

SCF

4

8

32

32

128

  1. Abbreviations: MIC Minimum inhibitory concentration, CFZ Cefazolin, IMP Imipenem, PIP Piperacillin, TZP Piperacillin-tazobactam, ATM Aztreonam, CRO Ceftriaxone, CAZ Ceftazidime; and SCF Cefoperazone-sulbactam