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. 2021 Mar 22;10(3):339. doi: 10.3390/antibiotics10030339

Table A8.

Phenotypic resistance of Escherichia coli strains. MIC = minimum inhibitory concentration. ESBL = signal in phenotypic testing for extended-spectrum beta-lactamases.

Sample ID ESBL Ertapenem Imipenem Meropenem Gentamicin Ciprofloxacin Moxifloxacin Tigecycline Trimethoprim/Sulfamethoxazole
MIC Interpretation MIC Interpretation MIC Interpretation MIC Interpretation MIC Interpretation MIC Interpretation MIC Interpretation MIC Interpretation
41 positive ≤0.5 S ≤0.25 S ≤0.25 S ≥16 R ≥4 R ≥8 R ≤0.5 S ≥320 R
49 negative ≤0.5 S ≤0.25 S ≤0.25 S ≤1 S ≤0.25 S ≤0.25 S ≤0.5 S ≥320 R
68 negative ≤0.5 S ≤0.25 S ≤0.25 S ≤1 S ≥4 R ≥8 R ≤0.5 S ≥320 R
117 negative ≤0.5 S ≤0.25 S ≤0.25 S ≤1 S ≤0.25 S ≤0.25 S ≤0.5 S ≥320 R
152 negative ≤0.5 S ≤0.25 S ≤0.25 S 2 S 1 R 2 R ≤0.5 S ≥320 R
176 negative ≤0.5 S ≤0.25 S ≤0.25 S ≤1 S ≤0.25 S ≤0.25 S ≤0.5 S ≥320 R
221 negative ≤0.5 S ≤0.25 S ≤0.25 S ≤1 S ≤0.25 S ≤0.25 S ≤0.5 S ≥320 R
222 negative ≤0.5 S ≤0.25 S ≤0.25 S ≤1 S ≤0.25 S ≤0.25 S ≤0.5 S ≥320 R
225 positive ≤0.5 S ≤0.25 S ≤0.25 S ≤1 S 0.5 I 1 R ≤0.5 S ≥320 R
245 positive ≤0.5 S 0.5 S ≤0.25 S ≥16 R ≥4 R ≥8 R ≤0.5 S ≥320 R
270 positive ≤0.5 S ≤0.25 S ≤0.25 S ≤1 S ≥4 R ≥8 R ≤0.5 S ≤20 S
299 negative ≤0.5 S ≤0.25 S ≤0.25 S ≤1 S 0.5 I 2 R ≤0.5 S ≥320 R