. 2008 Nov 19;47(1):239–241. doi: 10.1128/JCM.02123-08

TABLE 1.

Characteristics of Enterobacteriaceae strains exhibiting in vitro carbapenem nonsusceptibility and/or harboring the bla_KPC gene

Source patient	Organism	Disk diffusion test result for antibiotic^a:						bla_KPC genotype
		Carbapenem			Noncarbapenem
		Ertapenem	Imipenem	Meropenem	Cefepime	Ciprofloxacin	Gentamicin
1	K. pneumoniae	R	R	R	R	R	S	+
	K. pneumoniae	R	S	R				−
2	E. cloacae^b	R	R	R	R	S	S	+
	E. cloacae	R	S	S				−
3	P. mirabilis	I	R	S	S	S	S	+
	E. coli	R	S	S				−
	Citrobacter freundii	I	S	S				−

S, susceptible; I, intermediate; R, resistant. In additional susceptibility testing, the K. pneumoniae isolate recovered from patient 1 was intermediately susceptible to tigecycline and susceptible to colistin. Also, the E. cloacae isolate from patient 2 was intermediately susceptible to tigecycline and susceptible to colistin.

Recovered from a patient with polymicrobial Enterobacteriaceae bacteremia.