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Table 4 Relationship of quinolone- and fluoroquinolone-resistant Enterobacteriaceae, drug resistance and ESBL, and qnrA and qnr B genes

From: Characterization of plasmid-mediated qnrA and qnrB genes among Enterobacteriaceae strains: quinolone resistance and ESBL production in Ismailia, Egypt

Variables

qnr A gene

p value

qnr B

p value

Negative

Positive

Negative

Positive

Quinolone-resistant microorganism isolated (n = 56)

E. coli

36

4

 

36

4

 

K. pneumonia

12

3

0.374

14

1

0.023*

Enterobacter

1

0

 

0

1

 

Drug resistance (n = 71)

 MDR

23

2

 

24

1

 

 XDR

34

5

0.586

35

4

0.573

 PDR

7

0

 

6

1

 

ESBL (n = 71)

 Negative

23

1

0.250

22

2

0.980

 Positive

41

6

 

43

4

 
  1. MDR: multidrug resistant, XDR: extensively drug resistant, PDR: pan drug resistant, ESBL: extended-spectrum-beta-lactamase.