Table 1.

Phenotype detection results from virulence and antimicrobial susceptibility testing.

Name	String testa	Antimicrobial susceptibility result (MICs, mg/L)b
		Vitek 2 system										Agar dilution				Broth dilution
		TZP	CTT	CAZ	FEP	AMK	GEN	TOM	CIP	LEV	NIT	IMP	MEM	FOS	CAZ/AVI	TGC	CST
CRKP-Urine1	+	≥128	≥64	≥64	≥64	≥64	≥16	≥16	≥4	≥8	≥512	128	>128	>1024	4/4	4	<0.03
CRKP-Blood1	+	≥128	≥64	≥64	≥64	≥64	≥16	≥16	≥4	≥8	≥512	128	>128	>1024	2/4	4	<0.03
CRKP-Blood2	+	≥128	≥64	≥64	≥64	≥64	≥16	≥16	≥4	≥8	≥512	128	>128	>1024	2/4	4	<0.03
CRKP-Blood3	+	≥128	≥64	≥64	≥64	≥64	≥16	≥16	≥4	≥8	256	128	>128	1024	4/4	4	<0.03
CRKP-Urine2	–	≥128	≥64	≥64	≥64	≤2	≤1	≤1	≥4	≥8	≥512	128	>128	32	2/4	8	>
CRKP-Pus1	+	≥128	≥64	≥64	≥64	≥64	≥16	≥16	≥4	≥8	≥512	128	>128	>1024	1/4	4	128
CRKP-Feces1	–	≥128	32	16	32	≥64	≥16	≥16	≥4	≥8	≥512	64	128	512	<0.06/4	16	2
CRKP-Pus2	+	≥128	≥64	32	≥64	≥64	≥16	≥16	≥4	≥8	≥512	128	>128	>1024	2/4	4	128
CRKP-Pus3	+	≥128	≥64	≥64	≥64	≥64	≥16	≥16	≥4	≥8	256	128	>128	1024	4/4	2	64
CRKP-Feces2	–	64	≥64	16	32	≥64	≥16	≥16	≥4	≥8	256	64	>128	>1024	2/4	128	0.06
CRKP-Feces3	–	≥128	≥64	≥64	≥64	≥64	≥16	≥16	≥4	≥8	≥512	>128	>128	>1024	4/4	4	<0.03

^a+, positive; –, negative.

^bTZP, piperacillin/tazobactam; CTT, cefotetan; CAZ, ceftazidime; FEP, cefepime; AMK, amikacin; GEN, gentamicin; TOM, tobramycin; CIP, ciprofloxacin; LEV, levofloxacin; NIT, nitrofurantoin; IMP, imipenem; MEM, meropenem; FOS, fosfomycin; CAZ/AVI, ceftazidime/avibactam; TGC, tigecycline; CST, colistin. Numbers shown in bold were resistance judged by CLSI breakpoint.