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Table 5 ciprofloxacin MICs values of qnr A and qnr B genes positive quinolone resistant isolated specimens

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

Resistant isolated specimens

ciprofloxacin MICs values

p value

mean

± SD

qnrA

  

0.002*

 Negative

89.9

± 74

 

 Positive

192

± 82

 

qnrB

 Negative

97.7

± 81

0.119

 Positive

154.6

± 86

 

ESBL

 Negative

84.89

± 85.24

0.203

 Positive

116.8

± 81.38

 
  1. MICs: minimal inhibitory concentrations; ESBL: extended-spectrum-beta-lactamase