Table 2.

Distribution of carbapenem MICs for the carbapenemase-positive and carbapenemase-negative clinical isolates of the study

PCR-confirmed strain group/antimicrobial	No. of isolates with an MIC (mg/liter) of:
	<0.5	0.5	1	2	4	8	16	32	64	128	>128
KPC and KPC/ESBL positive (n = 112)
Imipenem				6	17	25	31	23	10
Meropenem			2	9	21	33	23	18	6
Ertapenem					8	16	27	38	17	4	2
VIM and VIM/ESBL positive (n = 58)
Imipenem				2	4	13	16	17	5	1
Meropenem				4	6	15	18	13	2
Ertapenem					3	7	12	21	11	3	1
AmpC and AmpC/ESBL positive (n = 47)
Imipenem	8	13	11	7	5	3
Meropenem	16	12	9	6	4
Ertapenem		14	10	7	5	4	4	3
ESBL positive (n = 22)
Imipenem	6	11	4	1
Meropenem	10	8	4
Ertapenem		8	9	3	2