Table 2.

MIC range, MIC₅₀, and MIC₉₀ among isolates of the seven most frequent PCR ribotypes

PCR ribotype (no. of isolates)	Measureb	Resulta
		Clindamycin	Metronidazole	Moxifloxacin	Rifampin
002 (17)	MIC50	4	0.25	2	≤0.002
	MIC90	8	0.5	>32	≤0.002
	No. R	1	0	3	0
	% R	5.9	0	17.7	0
017 (13)	MIC50	>256	0.5	2	≤0.002
	MIC90	>256	0.5	>32	0.004
	No. R	13	0	3	1
	% R	100	0	23.1	7.7
027 (80)	MIC50	4	0.5	>32	≤0.002
	MIC90	>256	1	>32	>32
	No. R	38	0	78	22
	% R	47.5	0	97.5	27.5
053 (12)	MIC50	>256	0.5	>32	≤0.002
	MIC90	>256	0.5	>32	≤0.002
	No. R	11	0	11	0
	% R	91.7	0	91.7	0
078 (14)	MIC50	8	0.25	1	≤0.002
	MIC90	>256	0.5	2	0.003
	No. R	10	0	1	0
	% R	71.4	0	7.1	0
104 (9)	MIC50	6	0.5	2	≤0.002
	MIC90	6	0.50	2	≤0.002
	No. R	1	0	0	0
	% R	11.1	0	0	0
106 (17)	MIC50	4	0.50	2	0.003
	MIC90	8	0.50	2	0.003
	No. R	4	0	1	0
	% R	23.5	0	5.8	0

^aMIC results are in μg/ml.

^bNo. R and % R are the number and percentage of resistant isolates, respectively.