Table 1.

MICs of 17 KPC-2-KP isolates to 12 antimicrobial agents and microbiological characteristics of these isolates

Isolate	MIC (μg/ml)a												Microbiological characteristics
	FEP	ATM	ERT	DOR	IMI	MEM	GM	AN	FOS	SXT	CL	TGC	MHT result	Pulsosubtypeb	ST
A1	>128	>128	>128	32	32	64	0.5	2	>256	0.25	1	0.5	+	PST-2	11
A2	>128	>128	>128	128	64	128	0.5	1	>256	0.25	0.5	0.5	+	PST-5	11
B1	>128	>128	>128	>128	>128	>128	0.5	1	>256	0.25	0.5	0.5	+	PST-2	11
B2	>128	>128	>128	64	32	64	0.5	2	>256	0.25	0.5	1	+	PST-2	11
B3	64	>128	>128	64	64	128	0.5	1	>256	2	0.5	1	+	PST-1	11
B4	128	>128	>128	64	64	128	64	1	128	16	1	1	+	PST-4	11
B5	128	>128	>128	64	32	128	0.5	2	>256	>32	0.5	1	+	PST-2	11
B6	>128	>128	>128	128	32	128	1	2	>256	2	0.5	1	+	PST-2	11
C1	128	>128	>128	32	32	64	0.5	1	64	2	0.5	1	+	PST-1	11
C2	128	>128	>128	64	64	128	0.5	1	256	2	0.5	1	+	PST-1	11
C3	128	>128	>128	64	32	128	0.5	1	128	2	0.5	1	+	PST-1	11
C4	>128	>128	>128	128	64	128	0.25	0.5	64	2	0.5	1	+	PST-6	11
C5	128	>128	>128	64	32	64	0.5	0.5	128	2	0.5	1	+	PST-1	11
C6	128	>128	>128	64	32	64	0.5	0.5	256	2	0.5	1	+	PST-1	11
C7	64	>128	>128	32	16	64	0.5	2	64	2	0.5	2	+	PST-3	11
D1	128	>128	>128	32	32	64	0.5	1	>256	2	1	1	+	PST-1	11
NTUH- 9047 (9)	>128	>128	>128	32	64	64	>128	>128	>256	2	0.5	1	+	PST-1	11

^aAN, amikacin; ATM, aztreonam; CL, colistin; DOR, doripenem; ERT, ertapenem; ESBL, extended-spectrum β-lactamase production detected by the disk diffusion method (10); FEP, cefepime; FOS, fosfomycin; GM, gentamicin; IMI, imipenem; MEM, meropenem; MHT, modified Hodge test (11); PST, pulsosubtype; ST, sequence type; SXT, trimethoprim-sulfamethoxazole; TGC, tigecycline.

^bAll 17 KPC-KP isolates belonged to PT-1.