Table 2.

Drug sensitivity of wild isolates and clonal strains.

Isolates. No.	Clinical isolates		Functional replenishment ompC strains		MICs of ertapenem reductionmultiple
	Minimal inhibitory concentration (mg/L)
	ETP	E/C	ETP	E/C
E. coli.5	4	4	0.25	0.25	16
E. coli.39	>32	>32	0.06	0.06	533
E. coli.1976	8	8	0.5	0.5	16
E. coli.230	8	16	0.5	0.5	16
E. coli.1456	8	8	0.5	0.5	16

ETP, Ertapenem; E/C, Ertapenem + carbonyl cyanide m-chlorophenylhydrazo.