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Table 2 Outer membrane profiles for carbapenem-non-susceptible E. coli isolates in 2010 and 2012

From: Updated molecular epidemiology of carbapenem-non-susceptible Escherichia coli in Taiwan: first identification of KPC-2 or NDM-1-producing E. coliin Taiwan

β-lactamases

Outer membrane profilea

 

2010 (8 hospitals; n = 32)

2012 (17 hospitals; n = 43)

 

F/C

â–³C

â–³F

â–³C/F

F/C

â–³C

â–³F

â–³C/F

Carbapenemase

        

KPC-2

0

0

0

0

1

0

0

0

NDM-1

0

0

0

0

0

0

1

0

IMP-8

0

0

0

1

0

0

0

0

AmpC only

        

CMY

1

4

10

12

3

6

5

27

DHA

0

0

1

3

0

0

0

0

ESBL

        

CTX-M

0

0

0

0

0

0

0

0

SHV

0

0

0

0

0

0

0

0

  1. aMost isolates have multiple β-lactamase genes. The priority for the determination of β-lactamase in this table is carbapenemases, AmpC enzymes, and then ESBLs. No duplicate calculation was performed for each isolate.