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. 2023 Jul 20;10:1074127. doi: 10.3389/fvets.2023.1074127

Table 3.

Minimum inhibitory concentration (MIC) for imipenem, meropenem, and colistin for the 29 P. aeruginosa isolates obtained from the ear canals of dogs.

Antimicrobial agent MIC breakpoints (μg/mL) Results of MIC
S I R Susceptible strains (%) Intermediate strains (%) Resistant strains (%)
Imipenem IPM ≤2 4 ≥8 27 (93.1) 1 (3.4) 1 (3.4)
Meropenem MEM ≤2 4 ≥8 26 (89.7) 2 (6.9) 1 (3.4)
Colistin COL - ≤2 ≥4 0 (0.0) 29 (100) 0 (0.0)