TABLE 3.

Categorization of Etest errors when compared with agar dilution method for fosfomycin for 94 multiresistant Gram-negative bacillus clinical isolates^a

Microorganism	% of isolates with agreement or errors
	CLSI				EUCAST
	CA	m	M	VM	CA	m	M	VM
A. baumannii	81	17	2	0	69	0	0	31
P. aeruginosa	53	34	13	0	100	0	0	0
K. pneumoniae	89	4	7	0	52	0	48	0
Enterobacter spp.	80	20	0	0	40	0	10	50

^aCA, categorical agreement; m, minor error; M, major error; VM, very major error; CLSI, Clinical and Laboratory Standards Institute interpretative criteria; EUCAST, European Committee on Antimicrobial Susceptibility interpretative criteria.