Table 2. Accuracy of the DSTM method vs. the microbroth dilution method.
| Day | 1 | 2 | 3 | 4 | Distribution | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Suspension | A | B | C | D | E | F | |||||||
| Experiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
| MICs (mg/L) from the DSTM method | |||||||||||||
| AMK | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 |
| CIP | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 |
| MPM | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | 2 | ≤1 | ≤1 | ≤1 | ≤1–2 |
| CAZ | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 |
| PPC | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 | ≤4 |
| MICs (mg/L) from the microbroth dilution method | |||||||||||||
| AMK | 2 | 2 | 2 | 4 | 2 | 4 | 2 | 2 | 2 | 4 | 2 | 2 | 2–4 |
| CIP | 0.5 | 0.5 | 0.5 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.5 | 0.5 | 0.5 | 0.5 | 0.25–0.5 |
| MPM | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.25 | 0.5 | 0.5 | 0.25–0.5 |
| CAZ | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1–2 |
| PPC | 4 | 4 | 4 | 8 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4–8 |