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Characteristics of PMQR genes among ciprofloxacin-resistant and -sensitive strains
| PMQR gene | CIP-Ra (n = 302) (n [%]) | CIP-Sb (n = 288) (n [%]) | P value |
|---|---|---|---|
| qnrB | 5 (1.7) | 4 (1.4) | —c |
| qnrS | 3 (1.0) | 10 (3.5) | 0.040 |
| aac(6′)-Ib-cr | 74 (24.5) | 42 (14.6) | 0.002 |
| qepA | 36 (11.9) | 47 (16.3) | 0.125 |
| oqxAB | 19 (6.3) | 4 (1.4) | 0.002 |
CIP-R, ciprofloxacin-resistant strain.
CIP-S, ciprofloxacin-sensitive strain.
Two cells (50%) had expected counts of <5.
