Table 2 Resistance genotypes in association with phenotypic characteristics
Resistant phenotype | gyrA/parC n (%)a | qnrS1 | aac(6)-Ib-cr | aadA1 | aadA5 | armA | aac3IIa | aph3Ib/aph6Id |
|---|---|---|---|---|---|---|---|---|
Ciprofloxacin (n = 41) | 27 (65.9%) | 25 (61%) | 19 (46.3%) | ND | ND | ND | ND | ND |
P values | 0.001 |  < 0.001 | 0.002 | – | – | – | – | – |
Levofloxacin (n = 36) | 27 (77.1%) | 23 (65.7%) | 19 (54.3%) | ND | ND | ND | ND | ND |
P values | < 0.001 | < 0.001 | < 0.001 | – | – | – | – | – |
Amikacin (n = 12) | ND | ND | 9 (75%) | 7 (58.3%) | 5 (41.7%) | 7 (58.3%) | 8 (66.7%) | 3 (25%) |
P value | – | – | 0.002 | < 0.001 | 0.9 | < 0.001 | 0.3 | 0.5 |
Gentamicin (n = 35) | ND | ND | 18 (51.4%) | 10 (28.6%) | 18 (51.4%) | 8 (22.9%) | 27 (77.1%) | 10 (28.6%) |
P value | – | – | 0.001 | 0.01 | 0.001 | 0.04 |  < 0.001 | 0.2 |
Tobramycin (n = 34) | ND | ND | 19 (55.9%) | 10 (29.4%) | 19 (55.9%) | 8 (23.5%) | 27 (79.4%) | 8 (23.5%) |
P value | – | – | < 0.001 | 0.009 | < 0.001 | 0.02 | < 0.001 | 0.03 |