Table 2.

Minimum inhibitory concentration of aminoglycosides against carbapenem resistant Enterobacterales

Organisms	Minimum inhibitory concentration
	Amikacin			Gentamicin
No of isolates (n=42)	≥64 µg/ml	≥32 µg/ml	2–16 µg/ml	≥16 µg/ml	8 µg/ml	1–2 µg/ml
	(R)	(I)	(S)	(R)	(I)	(S)
E. coli (n=18) (NDM)	13 (72.22%)	0 (0%)	5 (27.78%)	13 (72.22%)	0 (0%)	5 (27.78%)
E. coli (n=3) (NDM& OXA -48)	2 (66.67%)	1 (33.33%)	0 (0%)	2 (66.67%) 1	(33.33%)	0 (0%)
E. coli (n=2) (NDM & VIM)	1 (50%)	0 (0%)	1 (50%)	1 (50%)	0 (0%)	1 (50%)
K. pneumoniae (n=7) (NDM)	0 (0%)	6 (85.71%)	1 (14.29%)	3 (42.86%)	0 (0%)	4 (57.14%)
K. pneumoniae (n=5) (NDM & OXA-48)	0 (0%)	5 (100%)	0 (0%)	1 (20.00%)	0 (0%)	4 (80.00%)
K. pneumoniae (n=1) (NDM& VIM)	0 (0%)	1 (100%)	0 (0%)	1 (100%)	0 (0%)	0 (0%)
K. pneumoniae (n=1) (NDM,VIM & OXA-48)	0 (0%)	1 (100%)	0 (0%)	1 (100%)	0 (0%)	0 (0%)
E. cloacae (n=4) (NDM)	0 (0%)	3 (75.00%)	1 (25.00%)	3 (75.00%)	0 (0%)	1 (25.00%)
P. mirabilis (n=1) (NDM & OXA-48)	0 (0%)	1 (100%)	0 (0%)	1 (100%)	0 (0%)	0 (0%)