Table 2 Criteria for drug sensitivity test of E. coli.
Antibacterial drug | Drug content of paper tablets | Sensitivity Determination of Discount Points /(mm) | ATCC-25922 | ||
|---|---|---|---|---|---|
S | I | R | |||
MEM | 10 μg | ≥ 23 | 20–22 | ≤ 19 | 28–35 |
AMP | 10 μg | ≥ 17 | 14–16 | ≤ 13 | 15–22 |
PEN | 10 U | ≥ 18 | 14–17 | ≤ 13 | – |
CEL | 30 μg | – | – | – | 15–21 |
FEP | 30 μg | ≥ 25 | – | ≤ 18 | 31–37 |
FOX | 30 μg | ≥ 18 | 15–17 | ≤ 14 | 23–29 |
CTR | 30 μg | ≥ 23 | 20–22 | ≤ 19 | 29–35 |
DOX | 30 μg | ≥ 14 | 11–13 | ≤ 10 | 18–24 |
TET | 30 μg | ≥ 15 | 12–14 | ≤ 11 | 18–25 |
LVX | 5 μg | ≥ 21 | 17–20 | ≤ 16 | 29–37 |
CIP | 5 μg | ≥ 26 | 22–25 | ≤ 21 | 29–37 |
ENR | 5 μg | ≥ 18 | 15–17 | ≤ 14 | – |
AMK | 30 μg | ≥ 17 | 15–16 | ≤ 14 | 19–26 |
ANA | 30 μg | ≥ 18 | 14–17 | ≤ 13 | 17–25 |
GEN | 10 μg | ≥ 15 | 13–14 | ≤ 12 | 19–26 |
T/S | 23.75 μg | ≥ 16 | 11–15 | ≤ 10 | – |
ERM | 15 μg | – | – | – | – |
CLM | 30 μg | ≥ 18 | 13–17 | ≤ 12 | 21–27 |
FFC | 30 μg | ≥ 18 | 13–17 | ≤ 12 | – |
POL | 300 U | ≥ 12 | 9–11 | ≤ 8 | 13–19 |
