Table 1

Resistant isolates detected by screening agar and E test

Total testedMetronidazole resistant >8 μg/mlClarithromycin resistant >2 μg/mlAmoxicillin resistant >0.5 μg/ml
*Detected in five isolates by screening agar.
**None detected by screening agar.
E test902840
Screening agar98900
Screening agar + E test7021*4**0