Table 1.

Antibiotic minimum inhibitory concentration (μg/mL) in colistin-resistant Acinetobacter baumannii

CoR-AB isolate	COL	SUL	TIG	IMP	MEP	SMT	AMK	FOS
1	16	8	1.5	8	32	16	>4,096	256
2	32	12	2	16	32	8	>4,096	384
3	128	6	1.5	8	32	>32	>4,096	256
4	64	3	0.38	8	16	16	4,096	512
5	32	8	1.5	8	32	12	4,096	128
6	32	8	1.5	8	32	6	4,096	256
7	128	1.5	0.38	8	128	12	4,096	256
8	512	1.5	0.25	8	16	16	4,096	256
9	32	8	2	8	32	6	>4,096	384
10	32	128	1	8	32	0.38	4,096	256
11	128	32	2	32	64	>32	4,096	256
12	128	128	2	32	128	>32	>4,096	512
13	64	8	0.5	16	16	6	16	512
14	128	128	2	16	64	>32	4,096	512
15	>512	16	0.5	8	32	4	16	512
16	>512	>1,024	1	8	32	4	16	256
17	512	>1,024	2	16	128	>32	>4,096	128

Abbreviations: AMK, amikacin; COL, colistin; CoR-AB, colistin-resistant Acinetobacter baumannii; FOS, fosfomycin; IMP, imipenem; MEP, meropenem; SMT, trimethoprim–sulfamethoxazole; SUL, sulbactam; TIG, tigecycline.