TABLE 3.

Sensitivities of seven methods for detection of vanA, vanB, and vanC1/C2  enterococci^a

Method	Sensitivity (%) for VRE
	vanA (n = 50)	vanB (n = 15)	vanC1 (n = 50)	vanC2 (n = 30)
E-test	100	100	100	100
Disk diffusion	100	93	52	63
Agar screen	100	100	100	100
MicroScan
Conventional	100	100	76	7
Rapid	100	53	86	90
Vitek
GPS-TA	100	47	72	67
GPS-101	100	100	88	73

^aFor vanB, vanC1, and vanC2 strains with MICs of 8 to 16 μg/ml, both intermediate- and resistant-phenotype results were considered correct.