Table 3. The diversity of carbapenemase genes identified among the bacterial species.

Carbapenemase Ambler Class	B: Metallo- β lactamases				Class D: Oxacillinases
Bacterial species	NDM-1	NDM-5	VIM-1	VIM-6	OXA-23	OXA-58	OXA-66	OXA-69	OXA-91	OXA-181	OXA-50
A. baumannii	7				23	1	11	13	2
E. cloacae	2
P. aeruginosa	11		1	2							1
K. pneumoniae	1									1
E. coli		3
No of occurrences	21	3	1	2	23	1	11	13	2	1	1
(n = 79) (%)	(26.6)	(3.8)	(1.3)	(2.5)	(29.1)	(1.3)	(13.9)	(16.5)	(2.5)	(1.3)	(1.3)

NDM, New Delhi Metallo-β-lactamase; OXA, oxacillinase; VIM, Verona integron-encoded Metallo-β-lactamase.