Table 2: Antimicrobial susceptibility for Case  1.

AntimicrobialMIC valuesInterpretation

Ampicillin≥32Resistant
Amoxicillin/Clavulanic acid≥32Resistant
Piperacillin/tazobactam≥128Resistant
Cefuroxime≥64Resistant
Cefotaxime32Intermediate
Cefoperazone/sulbactam32Intermediate
Ciprofloxacin≤0.25Sensitive
Nalidixic acid≤2Sensitive
Gentamicin≤1Sensitive
Amikacin≤2Sensitive
Nitrofurantoin ≤16Sensitive
Tigecycline≤0.5Sensitive
Cotrimoxazole≤20Sensitive
Imipenem≥16Resistant
Meropenem≥16Resistant
Colistin≥16Resistant

For other non-Enterobacteriaceae disc diffusion testing is not currently recommended by CLSI. Hence MIC method was used for the interpretation of antimicrobial sensitivity.