TABLE 3.

Results of a prospective study of the NDM LFIA in comparison with PCR and the Carba NP test in enterobacterial isolates with reduced susceptibility referred to the French NRC

β-Lactam resistance mechanism	Bacterial species	No. of isolates	β-Lactamase content (PCR)	Resulta
				NDM LFIA	CarbaNP test
Carbapenemases producers
NDM type	E. coli	1	NDM-like	P	P
	K. pneumoniae	1	NDM-like	P	P
	E. cloacae	1	NDM-like	P	P
OXA-48-like	E. coli	8	OXA-48-like	N	P
	E. coli	1	NDM-like + OXA-48-like	P	P
	K. pneumoniae	5	OXA-48-like	N	P
	E. cloacae	1	OXA-48-like	N	P
KPC	K. pneumoniae	2	KPC-like	N	P
VIM	E. cloacae	1	VIM-like	N	P
Non-carbapenemase producers	E. coli	2		N	N
	K. pneumoniae	8		N	N
	E. cloacae	7		N	N
	Klebsiella oxytoca	1		N	N
	Hafnia alvei	1		N	N
	S. marcescens	1		N	N
	C. freundii	1		N	N

^aP indicates a positive result, and N indicates a negative result.