TABLE 2.
Distribution of doxycycline and erythromycin MICs for domestic and foreign Campylobacter strains (n = 99) with ciprofloxacin MICs of ≥4 μg/ml
| MIC (μg/ml) | No. of isolatesa:
|
|||
|---|---|---|---|---|
| Doxycycline
|
Erythromycin
|
|||
| Domestic | Foreign | Domestic | Foreign | |
| 0.06 | 0 | 1 | NTb | NT |
| 0.125 | 9 | 19c | 0 | 0 |
| 0.25 | 2 | 7 | 0 | 0 |
| 0.5 | 0 | 1 | 0 | 2 |
| 1 | 0 | 2c | 6 | 13c |
| 2 | 1 | 0 | 6 | 25 |
| 4 | 1 | 1 | 5 | 18c |
| 8 | 1 | 1 | 0 | 7 |
| 16 | 2 | 18c | 0 | 0 |
| 32 | 0 | 12 | 0 | 0 |
| 64 | 1 | 17c | 0 | 0 |
| 128 | 0 | 3 | 0 | 0 |
| 256 | NT | NT | 0 | 1 |
| 512 | NT | NT | 0 | 1 |
| 1,024 | NT | NT | 0 | 7 |
| >1,024 | NT | NT | 0 | 8d |
a
There were 17 strains of domestic origin and 78 of foreign origin. Four strains were from patients with unknown traveling histories.
b
NT, not tested.
c
One strain with unknown traveling history.
d
Two strains with unknown traveling history.