From: Frequency of quinolone resistance genes among extended-spectrum β-lactamase (ESBL)-producing Escherichia coli strains isolated from urinary tract infections
Antibiotics
qnr B
qnr A
qnr S
qnr S-B
21 (no)
10 (no)
41 (no)
Nalidixic acid (%)
33.33
60.00
73.17
100
Ofloxacin (%)
28.57
50.00
70.73*
95.23
Ciprofloxacin (%)
68.29*
NA, OF, and CIP (%)
65.85