Table 2.

Minimum inhibitory concentration (MIC) of cefotaxime (mcg mL⁻¹) against extended-spectrum β-lactamase (ESBL)-producing E. coli strains. Abbreviations for antibiotic: CTX, cefotaxime. Abbreviations for interpretations: S = sensitive; I = intermediate; R = Resistant.

Strains	CTX		Strains	CTX
E. coli 34	32	R	E. coli 23CT	64	R
E. coli 39	64	R	E. coli 40CT	32	R
E. coli 22A	64	R	E. coli 23DT	64	R
E. coli 26A	32	R	E. coli 24DT	64	R
E. coli 28A	32	R	E. coli 31DT	32	R
E. coli 38A	32	R	E. coli 45DT	32	R
E. coli 41A	32	R	E. coli 22F	64	R
E. coli 24AT	64	R	E. coli 23F	64	R
E. coli 36AT	32	R	E. coli 31FT	64	R
E. coli 24B	64	R	E. coli 27G	64	R
E. coli 22BT	64	R	E. coli 4 CL	64	R
E. coli 36BT	64	R	E. coli 9 CL	16	R
E. coli 24C	8	R	E. coli 11 CL	64	R
E. coli 22CT	64	R