TABLE 3.

mEs for category A antimicrobials with S. pneumoniae isolates

Penicillin susceptibility (no. of isolates)	AST methoda	No. of mEs	No. (%) of mEs with:
			Penicillin	T/S	Erythromycin
Susceptible (204)	Phoenix	2	0	1 (0.5)	0
	Vitek 2*	8	3 (1.6)	2 (1.0)	1 (0.5)
	MicroScan	4	0	2 (1.0)	1 (0.5)
	Etest	4	3 (1.5)	1 (0.5)	0
	Total	18
Intermediate (67)	Phoenix	18	12 (17.9)	2 (3.0)	0
	Vitek 2**	11	7 (10.9)	3 (4.7)	1 (1.6)
	MicroScan	9	2 (3.0)	4 (6.0)	0
	Etest	6	2 (3.0)	3 (4.5)	0
	Total	44
Resistant (40)	Phoenix	9	2 (5.0)	3 (7.5)	0
	Vitek 2***	8	6 (16.7)	1 (2.8)	1 (2.8)
	MicroScan	6	2 (5.0)	1 (2.0)	0
	Etest	3	2 (5.0)	1 (2.0)	0
	Total	26

^a*, n = 192; **, n = 64; ***, n = 36.