Table 3. Comparative activity of isepamicin and amikacin against three most common microorganisms isolated from the samples included in our study ( N  = 94) .

Microorganisms	Susceptible to both amikacin and isepamicin	Resistant to both amikacin and isepamicin	Sensitive to isepamicin and resistant to amikacin	Resistant to isepamicin and sensitive to amikacin
Klebsiella pneumoniae ( n  = 46)	20 (43.48%)	22 (47.83%)	4 (8.69%)	0 (0.0%)
Escherichia coli ( n  = 27)	9 (33.33%)	9 (33.33%)	9 (33.33%)	0 (0.0%)
Pseudomonas aeruginosa ( n  = 21)	18 (85.71%)	3 (14.28%)	0 (0.0%)	0 (0.0%)