Table 1.

Distribution of carbapenem MICs in NDM producers by subtype.

	Number (cumulative %) of isolates having MICs (mg/L) ofa:
	0.5	1	2	4	8	16	32	64	128	>128
IMIPENEM
All NDM producers (n = 146)	1 (0.7)	0 (0.7)	2 (2.1)	13 (11.0)	34 (34.2)	45 (65.1)	26 (82.9)	15 (93.2)	5 (96.6)	5 (100)
NDM-1 producers (n = 126)	1 (0.8)	0 (0.8)	2 (2.4)	13 (12.7)	34 (39.7)	37 (69.0)	19 (84.1)	13 (94.4)	2 (96.0)	5 (100)
NDM-5 producers (n = 18)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	7 (38.9)	7 (77.8)	2 (88.9)	2 (100)	0 (100)
NDM-7 producers (n = 2)	0	0	0	0	0	1	0	0	1	0
MEROPENEM
All NDM producers (n = 146)	0 (0.0)	1 (0.7)	3 (2.7)	9 (8.9)	33 (31.5)	34 (54.8)	31 (76.0)	13 (84.9)	16 (95.9)	6 (100)
NDM-1 producers (n = 126)	0 (0.0)	1 (0.8)	3 (3.2)	9 (10.3)	31 (34.9)	33 (61.1)	23 (79.4)	11 (88.1)	11 (96.8)	4 (100)
NDM-5 producers (n = 18)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	2 (11.1)	1 (16.7)	7 (55.6)	2 (66.7)	5 (94.4)	1 (100)
NDM-7 producers (n = 2)	0	0	0	0	0	0	1	0	0	1

^aMIC₅₀ and MIC₉₀ are indicated in bold.