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. 2010 Feb 24;48(4):1223–1230. doi: 10.1128/JCM.02263-09

TABLE 2.

Antibiotic susceptibility profiles of A. baumannii isolates from the V. Monaldi hospital^a

Antibiotic	MIC (mg/liter)
	ST2/A (14 total strains)			ST78/B (57 total strains)
	MIC₅₀	MIC₉₀	Range	MIC₅₀	MIC₉₀	Range
Sulbactam-ampicillin	32	125	32-125	125	125	64-125
Piperacillin-tazobactam	125	250	125->250	250	250	32->250
Ceftazidime	250	250	125->250	250	250	125->250
Cefepime	125	250	16-250	16	32	16-250
Imipenem	16	32	8-32	16	32	8-32
Meropenem	8	16	4-16	8	16	4-16
Amikacin	125	>250	4->250	125	>250	2->250
Gentamicin	8	64	4->250	32	64	4->250
Ciprofloxacin	64	250	32->250	64	250	32->250
Rifampin	4	500	2-500	4	4	2-16
Colistin	<0.5	<0.5	<0.5	<0.5	<0.5	<0.5-1

^a

A. baumannii isolates were analyzed by a microdilution method for MIC determination according to CLSI guidelines.