TABLE 2.

Intralaboratory agreement among three laboratories of results obtained by a broth microdilution method

Drug	Test conditiona	% Agreementb at:
		28°C		37°C
		Low	High	Low	High
CLT	MIC-2/7	94	97	93	94
	MIC-2/14	95	97	88	96
	MIC-0/7	94	95	93	93
	MIC-0/14	94	97	89	96
ITC	MIC-2/7	87	93	88	90
	MIC-2/14	93	94	88	90
	MIC-0/7	91	94	87	92
	MIC-0/14	93	96	88	85
TRB	MIC-2/7	100	100	100	100
	MIC-2/14	99	100	100	100
	MIC-0/7	100	100	100	100
	MIC-0/14	100	100	100	98

^aMIC-2 and MIC-0, 50 and 100% inhibition of growth, respectively; 7 and 14 refer to the days of incubation.

^bLow, inoculum density of ca. 10³ CFU/ml; high, inoculum density of ca. 10⁴ CFU/ml.