TABLE 1.

Detection of carbapenemase production using the Resist-3 O.K.N. assay

Isolate	Carbapenemase(s) carried (no. of isolates)	Resist-3 O.K.N. result
		OXA-48-like	KPC-like	NDM-like
Klebsiella pneumoniae	OXA-48 (23)	23	0	0
	OXA-48 + NDM-1 (4)	4	0	4
	OXA-232 (6)	6	0	0
	KPC-2 (8)	0	8	0
	KPC-2 + VIM-1 (1)	0	1	0
	NDM-1 (14)	0	0	14
	VIM-4 (1)	0	0	0
Escherichia coli	OXA-48 (1)	1	0	0
	KPC-2 (3)	0	3	0
	KPC-2 + VIM-1 (1)	0	1	0
	NDM-1 (6)	0	0	6
	NDM-5 (3)	0	0	3
	NDM-7 (2)	0	0	2
	VIM-1 (1)	0	0	0
Enterobacter cloacae	OXA-48 + NDM-1 (2)	2	0	2
	NDM-1 (2)	0	0	2
	KPC-4 (2)	0	2	0
	IMP-1 (1)	0	0	0
	VIM-1 (4)	0	0	0
Enterobacter aerogenes	KPC-2 (2)	0	2	0
	NDM-1 (1)	0	0	1
Citrobacter koseri	KPC-2 + VIM-1 (1)	0	1	0
Providencia stuartii	NDM-1 (1)	0	0	1
	VIM-1 (2)	0	0	0
Morganella morganii	VIM-1 (1)	0	0	0
Proteus mirabilis	VIM-1 (1)	0	0	0