. 2001 Nov-Dec;12(6):379–390. doi: 10.1155/2001/260651

TABLE 2.

In vitro activity of oxazolidinones vancomycin and quinupristin/dalfopristin (Q/D) against gram-negative aerobes

	Oxazolidinones
	Linezolid			Eperezolid			Vancomycin			Q/D
Bacteria	MIC₅₀	MIC₉₀	Range	MIC₅₀	MIC₉₀	Range	MIC₅₀	MIC₉₀	Range	MIC₅₀	MIC₉₀	Range
Escherichia coli	>64	>64	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Haemophilus influenzae	8	16	4.0-16	8	8	4.0-8.0	N/A	N/A	N/A	2	4	1-32
Klebsiella pneumoniae	>64	>64	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Moraxella catarrhalis	2	4	2.0-8.0	4	4	2.0-4.0	N/A	N/A	N/A	0.25	0.5	0.016-8
Mycobacterium tuberculosis	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Mycobacterium avium complex	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Proteus vulgaris	>64	>64	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A

MIC₅₀ Minimum inhibitory concentration (µg/mL) of 50% of isolates; MIC₉₀ Minimum inhibitory concentration (µg/mL) of 90% of isolates; N/A Information not available. Adapted from references 2,21,25,33,36,36-42