Table 3.
Distribution of qnr genes among quinolone resistance in KTP.
| Antibiotic | Pattern | qnrS-positive no. (%) | qnrS-negative no. (%) | P value | qnrB-positive no. (%) | qnrB-negative no. (%) | P value |
|---|---|---|---|---|---|---|---|
| Nalidixic acid | R (n = 37) | 10 (27) | 27 (73) | 0.47 | 4 (10.8) | 33 (89.2) | 0.59 |
| S (n = 12) | 5 (41.7) | 7 (58.3) | 2 (16.7) | 10 (83.3) | |||
| Ciprofloxacin | R (n = 27) | 9 (33.3) | 18 (66.7) | 0.64 | 3 (11.1) | 24 (88.9) | 0.78 |
| S (n = 22) | 6 (27.3) | 16 (72.7) | 3 (13.6) | 19 (86.4) | |||
| Ofloxacin | R (n = 25) | 9 (36) | 16 (64) | 0.40 | 2 (8) | 23 (92) | 0.35 |
| S (n = 24) | 6 (25) | 18 (75) | 4 (16.7) | 20 (83.3) | |||
| Norfloxacin | R (n = 27) | 9 (33.3) | 18 (66.7) | 0.64 | 3 (11.1) | 24 (88.9) | 0.78 |
| S (n = 22) | 6 (27.3) | 16 (72.7) | 3 (13.6) | 19 (86.4) |
Abbreviations: R: resistant; S: susceptible.