TABLE 4.

AST summary

AST method	%		No. of:
	EA	CA	Tests performed	mEs	VMEs
Phoenix	95.2	99.3	4,043	29	1
Vitek 2	95.0	98.8	2,628	28	7
MicroScan	98.5	99.5	4,043	19	0
Etest	98.1	99.5	2,799	13	0