β-Lactamase-Producing Multidrug-Resistant Bacterial Pathogens from Tracheal Aspirates of Intensive Care Unit Patients at National Institute of Neurological and Allied Sciences, Nepal

Table 2

Antibiotic resistance rates (%) for predominant Gram-negative bacilli recovered from tracheal aspirate of ICU patients.

Antibiotics	Acinetobacter spp. (𝑁=55)	K. pneumoniae (𝑁=42)	Pseudomonas spp. (𝑁=37)	E. coli (𝑁=12)
Amikacin	78.2	54.8	40.5	8.3
Ampicillin	NT	100	NT	100
Carbenicillin	NT	NT	43.2	NT
Cefepime	96.4	83.3	78.4	66.7
Cefotaxime	87.3	78.6	83.8	58.3
Cefoxitin	94.5	81	89.2	66.7
Ciprofloxacin	80	64.3	51.4	66.7
Cotrimoxazole	96.4	85.7	86.5	83.3
Erythromycin	NT	NT	NT	25
Gentamicin	83.6	69	43.2	25
Imipenem	23.6	9.5	16.2	0
Ofloxacin	80	64.3	51.4	66.7
Piperacillin-tazobactam	69.1	57.1	29.7	NT
Polymyxin B	0	0	0	NT

∗NT: not tested.