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Table 4 Association of the bla KPC gene and the modified Hodge test with Enterobacteriaceae species

From: Phenotypic and molecular detection of the blaKPC gene in clinical isolates from inpatients at hospitals in São Luis, MA, Brazil

Enterobacteria

Total

bla KPC

MHTa

bla KPC  + MHT

P

No. (%)

No. (%)

No. (%)

Enterobacter aerogenes

9

6 (66.7)

7 (77.8)

5 (55.6)

0.0001

Enterobacter cloacae

19

6 (31.6)

7 (36.8)

4 (21.1)

 

Escherichia coli

2

1 (50.0)

0 (0)

0

 

Klebsiella pneumoniae

75

60 (80.0)

60 (80.0)

49 (65.3)

 

Pantoea sp.

3

1 (33.3)

1 (33.3)

1 (33.3)

 

Proteus mirabilis

3

0 (0)

1 (33.3)

0 (0)

 

Raoultella planticola

2

2 (100)

2 (100)

2 (100)

 

Raoultella ornithinolytica

1

1 (100)

1 (100)

1 (100)

 

Serratia marcescens

5

2 (40.0)

3 (60.0)

2 (40.0)

 

Total

119

79 (66.4)

82 (68.9)

64 (53.7)

 
  1. aMHT, modified Hodge test; P < 0.0001, Nonparametric chi-square test of independence