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Table 3 Antimicrobial susceptibility pattern of 57 isolates of carbapenem-resistant ST15 K. pneumoniae isolated at a large Vietnamese pediatric hospital

From: Molecular and phenotypic characterization of clinical isolates belonging to a KPC-2-producing strain of ST15 Klebsiella pneumoniae from a Vietnamese pediatric hospital

Antimicrobial agent S ≤ (mg/L) R > (mg/L) S (%) R (%) MIC50 (mg/L) MIC90 (mg/L)
Gentamicin 2 4 91 8.8 1.5 2
Tobramycin 2 4 0 100 16 24
Amikacin 8 16 0 96 32 64
Chloramphenicol 8 8 3.5 96 128 > 256
Trimethoprim/sulfamethoxazole 2 4 70 25 2 > 32
Ciprofloxacin 0.25 0.5 0 100 > 32 > 32
Cefotaxime 1 2 0 100 > 32 > 32
Imipenem 2 8 0 96 > 32 > 32
Meropenem 2 8 0 100 > 32 > 32
Ertapenem 0.5 1 0 100 > 32 > 32
Tigecycline 1 2 82 7.0 0.5 2
Fosfomycin 32 32 70 30 16 > 1024
Ceftazidime/avibactam 8 8 96 3.5 2 3
Colistin 2 2 58 42 0.5 32