TABLE 2.
Correlation between MICs of clarithromycin, amoxicillin, and metronidazole for 150 H. pylori isolates determined under microaerophilic atmospheres established by two different methods
| Antibiotic | No. of isolates for which MICs determined by both methods differed by the indicated no. of twofold dilutionsa
|
||||
|---|---|---|---|---|---|
| −2 | −1 | 0 | +1 | +2 | |
| Clarithromycin | 3 | 35 | 99 | 12 | 1 |
| Amoxicillin | 4 | 127 | 19 | ||
| Metronidazole | 5 | 111 | 33 | 1 | |
a
For −1 and −2, MICs determined in the AnaeroPack were one and two twofold dilutions lower than those determined in the incubator; for 0, the two methods showed the same MICs; for +1, and +2, MICs determined in the AnaeroPack were one and two twofold dilutions higher than those determined in the incubator.