TABLE 2.

ECOFF values determined for the ESBL-producing isolates of K. pneumoniae used in this study

β-Lactamase genotype	No. of isolates	ECOFF (μg/ml) at fixed enmetazobactam concn (μg/ml) of:
		0	0.25	0.5	1	2	4	8	16
CTX-M±SHV±OXA-48	84	NDa	ND	4	1	0.5	0.5	0.25	0.063

^aND, not determinable.