TABLE 3.

Discrepancies between classification of GRE genotypes with the VITEK 2 system and by PCR assays

Species	No. of strains tested	Genotype determined by PCR assay	Genotype identification (no. [%] of strains)		VITEK 2 genotype- phenotype
			Correct	Discordant
E. faecium	1	Wild type	0	1	vanA
E. faecium	66	vanA	65 (98.5)	1	vanB
E. faecium	14	vanB	14 (100)	0
E. gallinarum	30	vanC1	30 (100)	0
E. casseliflavus	10	vanC2	10 (100)	0
Total	121		119 (98.3)	2 (1.7)