Research Article

Characterization of Plasmid-Mediated Quinolone Resistance and Serogroup Distributions of Uropathogenic Escherichia coli among Iranian Kidney Transplant Patients

Table 6

Antimicrobial resistance pattern in UPEC isolates based on serogroups in the control group.

AntibioticPatternO2-positive no. (%)O2-negative no. (%) valueO4-positive no. (%)O4-negative no. (%) valueO16-positive no. (%)O16-negative no. (%) valueO25-positive no. (%)O25-negative no. (%) value

Nalidixic acidR()2 (4.8)40 (95.2)0.932 (4.8)40 (95.2)0.523 (7.1)39 (92.9)0.657 (16.7)35 (83.3)0.47
S ()1 (4.3)22 (95.7)2 (8.7)21 (91.3)1 (4.3)22 (95.7)2 (8.7)21 (91.3)
CiprofloxacinR ()1 (4)24 (96)0.851 (4)24 (96)0.562 (8)23 (92)0.627 (28)18 (72)0.02
S ()2 (5)38 (95)3 (7.5)37 (92.5)2 (5)38 (95)2 (5)38 (95)
OfloxacinR ()1 (3.1)31 (96.9)0.571 (3.1)31 (96.9)0.312 (6.3)30 (93.7)0.977 (21.9)25 (78.1)0.06
S ()2 (6.1)31 (93.9)3 (9.1)30 (90.9)2 (6.1)31 (93.9)2 (6.1)31 (93.9)
NorfloxacinR ()0 (0)23 (100)0.181 (4.3)22 (95.7)0.652 (8.7)21 (91.3)0.527 (30.4)16 (69.6)0.007
S ()3 (7.1)39 (92.9)3 (7.1)39 (92.9)2 (4.8)40 (95.22 (4.8)40 (95.2)

Abbreviations: R: resistant; S: susceptible.