TABLE 1 .

Phenotypic characteristics of strains

MRSNa	Isolation		Tobramycin MIC (μg/ml)c
	Dayb	Site
3361	3	Left hip	0.5
3363	3	Right hip	0.5
3364	8	Left hip	0.5
56	11	Left hip	0.5
57	12	Right hip	8
58	13	Left hip	16

^aDe-identified number used to track isolates throughout the Multidrug-resistant Organism Repository and Surveillance Network (MRSN).

^bDay after initial injury.

^cMICs were determined in quintuplicate. A. baumannii CLSI breakpoints (μg/ml) for tobramycin are as follows: susceptible, ≤4; intermediate, 8; resistant, ≥16.