. 2001 Oct;39(10):3727–3732. doi: 10.1128/JCM.39.10.3727-3732.2001

TABLE 2.

MIC distributions, antimicrobial susceptibilities, and spectra of activity of the different antimicrobial agents tested for the MRSA isolates tested^a

Antimicrobial agent	No. of isolates for which MIC (mg/liter) is:															MIC₅₀/MIC₉₀^b	% Susceptible
Antimicrobial agent	<0.03	0.06	≤0.12	0.12	0.25	≤0.5	0.5	1	2	>2	≤4	4	>4	8	>8	MIC₅₀/MIC₉₀^b	% Susceptible
Erythromycin				7	28		40	13	17			7		8	644	>8/>8	4.8
Clindamycin				103	60		5	4	1			2		7	572	>8/>8	23.3
Gentamicin				21	58		75	6	5			9		16	574	>16/>16	22.8
Tetracycline											309			11	444	>8/>8	42.9
Doxycycline						300		5	22			150	287			4/8	85.2
Minocycline						132		16	103			74	27			2/4	92.3
Ciprofloxacin	1	9		16	23		9	12	9	605						>2/>2	9.2
Gatifloxacin^c	18	23		19	5		11	79	376	233						2/4
Trovafloxacin^c	43	14		7	9		97	255	195	144						1/>4
Rifampin			33		240		9	20	78	334						2/>2	46.1
Chloramphenicol			1		1		2	2	10			180		438	130	8/16	83.0
Quinupristin-dalfopristin			24		167		427	111	14			3		12	6	0.5/1	99.5
Linezolid^c ^d			0		6		7	166	220			13		0	0	2/2
Teicoplanin			5		35		158	260	236			63		5	2	1/2	99.7
Vancomycin			1		1		65	493	200			4		0	0	1/2	100

A total of 764 MRSA isolates were tested.

MIC₅₀/MIC₉₀, MICs at which 50%/90% of isolates are inhibited.

Investigational drug. No susceptibility breakpoints are available (10).

Only 412 MRSA isolates were tested, unless indicated otherwise.