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

Table 3

Distribution of qnr genes among quinolone resistance in KTP.

Antibiotic	Pattern	qnrS-positive no. (%)	qnrS-negative no. (%)	value	qnrB-positive no. (%)	qnrB-negative no. (%)	value
Nalidixic acid	R ()	10 (27)	27 (73)	0.47	4 (10.8)	33 (89.2)	0.59
	S ()	5 (41.7)	7 (58.3)		2 (16.7)	10 (83.3)
Ciprofloxacin	R ()	9 (33.3)	18 (66.7)	0.64	3 (11.1)	24 (88.9)	0.78
	S ()	6 (27.3)	16 (72.7)		3 (13.6)	19 (86.4)
Ofloxacin	R ()	9 (36)	16 (64)	0.40	2 (8)	23 (92)	0.35
	S ()	6 (25)	18 (75)		4 (16.7)	20 (83.3)
Norfloxacin	R ()	9 (33.3)	18 (66.7)	0.64	3 (11.1)	24 (88.9)	0.78
	S ()	6 (27.3)	16 (72.7)		3 (13.6)	19 (86.4)

Abbreviations: R: resistant; S: susceptible.