Table 4.

Agreement of AST results produced by the Phoenix system and the Etest method: streptococci of different species or groups.

Antibiotic	% of corresponding results
	S. pneumoniae (n = 50)				Beta-hemolytic streptococci (n = 65)				Viridans group streptococci (n = 32)
	CA	mE	ME	VME	CA	mE	ME	VME	CA	mE	ME	VME
Penicillin	88.0	12.0	0	0	100	0	0	0	100	0	0	0
Erythromycin	100	0	0	0	100	0	0	0	100	0	0	0
Clindamycin	96.0	4.0	0	0	98.5	0	1.7	0	96.9	3.1	0	0
Levofloxacin	100	0	0	0	98.5	1.5	0	0	100	0	0	0
Chloramphenicol	100	0	0	0	98.5	1.5	0	0	100	0	0	0
Cefotaxime	98.0	2.0	0	0	100	0	0	0	100	0	0	0
Cefepime	98.0	2.0	0	0	100	0	0	0	100	0	0	0
Vancomycin	100	0	0	0	100	0	0	0	100	0	0	0
Total	95.0	5.0	0	0	99.4	0.4	0.2	0	99.6	0.4	0	0