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Table 1 Composition of the carbapenemase genotypes in the CRE isolates of this study

From: Performance evaluation of three automated identification systems in detecting carbapenem-resistant Enterobacteriaceae

Species

IMP-4

IMP-8

NDM-1

KPC-2

Number

Percentage (%)

Number

Percentage (%)

Number

Percentage (%)

Number

Percentage (%)

E. coli

1

4.4

3

21.4

3

60.0

0

0.0

K. pneumoniae a

13

56.5

5

35.7

2

40.0

6

75.0

E. cloacae

8

34.8

5

35.7

0

0.0

1

12.5

E. areogenes

0

0.0

0

0.0

0

0.0

0

0.0

K. oxytoca b

1

4.4

1

7.1

0

0.0

1

12.5

S. marcescens

0

0.0

0

0.0

0

0.0

0

0.0

Total

23

100.0

14

100.0

5

100.0

8

100.0

  1. aThere was one K. pneumoniae isolate carrying both IMP-4 and NDM-1 enzymes
  2. bThere was one K. oxytoca carrying both KPC-2 and IMP-8 simultaneously