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Prevalence of the plasmid-mediated quinolone resistance genes among extended-spectrum β-lactamase-producing Klebsiella pneumoniae isolates.
| PMQR genes | Positive isolates n (%) |
Negative isolates n (%) |
Total n (%) |
|---|---|---|---|
| qnrA | 0 (0%) | 87 (100%) | 87 (100%) |
| qnrB | 40 (46.0%) | 47 (54.0%) | 87 (100%) |
| qnrS | 5 (5.7%) | 82 (94.3%) | 87 (100%) |
| aac(6′)-Ib-cr | 61 (70.1%) | 26 (29.9%) | 87 (100%) |
| qepA | 0 (0%) | 87 (100%) | 87 (100%) |
