TABLE 2.

Resistance rates (percentages) and minimum inhibitory concentrations (MICs) of human Campylobacter spp. isolates in Beijng.

Campylobacter spp.	Antibiotic	Resistance rate (%)	MIC (μg/mL)
			Range	MIC50	MIC90
C. jejuni (n = 200)	Erythromycin	9.00	<0.5–>64	<0.5	4
	Azithromycin	13.00	<0.5–>64	<0.5	1
	Nalidixic acid	92.00	<0.5–>64	32	>64
	Ciprofloxacin	94.50	<0.5–>64	32	>64
	Gentamicin	13.00	<0.5–>64	<0.5	64
	Streptomycin	9.50	<0.5–>64	1	4
	Chloramphenicol	12.00	<0.5–>64	8	32
	Florfenicol	35.00	<0.5–>64	4	16
	Tetracycline	93.50	<0.5–>64	>64	>64
	Telithromycin	12.00	<0.25–>32	1	8
	Clindamycin	33.50	<0.25–>32	0.5	1
C. coli (n = 36)	Erythromycin	44.44	<0.5–>64	4	>64
	Azithromycin	44.44	<0.5–>64	<0.5	>64
	Nalidixic acid	88.89	4–>64	>64	>64
	Ciprofloxacin	94.44	<0.5–>64	16	>64
	Gentamicin	50.00	<0.5–>64	2	>64
	Streptomycin	72.22	<0.5–>64	64	>64
	Chloramphenicol	0.00	1–16	8	16
	Florfenicol	16.67	<0.5–16	4	8
	Tetracycline	94.44	1–>64	>64	>64
	Telithromycin	63.89	<0.25–>32	8	>32
	Clindamycin	44.44	<0.25–>32	1	>32