From: Characterization of Pseudomonas aeruginosa with discrepant carbapenem susceptibility profile
Micro No. | Imipenem MIC (µg/ml) | Meropenem MIC (µg/ml) | Doripenem MIC (µg/ml) | CarbaNP test | MHT | Multiple × PCRa | oprD mutations | RT-qPCR oprD (fold difference) | RT-qPCR mexAB (fold difference) | Sequence Types-ST (MLST) |
---|---|---|---|---|---|---|---|---|---|---|
Imipenem resistant meropenem susceptible P. aeruginosa (IRMS) | Â | |||||||||
 PA3970 | 4 | 4 | 4 | Negative | Negative | Negative | L4, L6 | 2.31 | – | – |
 PA5778 | 6 | 1.5 | 1 | Negative | Negative | Negative | L4, L6 | 0.81 | – | ST 1685 |
 PA4745 | >32 | 4 | 2 | Negative | Negative | Negative | L2, L7, L8, L9, L15 | Undetermined | – | – |
 PA6192 | 4 | 2 | 0.5 | Negative | Negative | Negative | L2, L7, L8, L9, L15 | 0.16 | – | ST 1993 |
 PA6362 | 4 | 1 | 1 | Negative | Negative | Negative | L4, L6 | 1.27 | – | ST 360 |
 PA6475 | 32 | 2 | 1.5 | Negative | Negative | Negative | Mutations in primer binding site | Undetermined | – | ST 1952 |
 PA6476 | 4 | 1 | 1 | Negative | Negative | Negative | L2, L7, L8, L9, L15 | 0.39 | – | ST 617 |
Meropenem resistant imipenem susceptible P. aeruginosa (MRIS) | Â | |||||||||
 PA4381 | 6 | 4 | 3 | Negative | Negative | Negative | Not done | Not done | 3.37 | – |
 PA5350 | 4 | 32 | 4 | Negative | Negative | Negative | Not done | Not done | 2.54 | – |
 PA26815 | 3 | 8 | 12 | Negative | Negative | Negative | Not done | Not done | 1.09 | – |