Table 1.

Susceptibility results of Enterococcus faecium isolates^a

Antibiotic	Susceptibility (μg/ml)b
	Planktonic cultures			Biofilm cultures
	MIC50	MIC90	MBC range	MIC50	MIC90	MBEC range
Amoxicillin	64	128	16–1,024	64	128	64–1,024
Daptomycin	2	4	1–32	2	8	1–32
Fosfomycin	64	64	128	64	128	256–512
Linezolid	2	2	16–32	2	2	16–32
Minocycline	16	32	4–32	8	32	4–256
Nitrofurantoin	64	128	32–1,024	64	128	512–1,024

^aSusceptibility results in planktonic and biofilm cultures of 32 vancomycin-resistant Enterococcus faecium isolates collected from renal transplant patients with urinary stent infections.

^bMBC, minimum bactericidal concentration; MBEC, minimum biofilm eradication concentration.