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| Antibiotic | Primary resistancea, n (%) | Secondary resistancea, n (%) | RRb | p |
|---|---|---|---|---|
| Metronidazole | 21 (32.8%) | 14 (41.2%) | 1.3 | 0.41 |
| Clarithromycin | 32 (49.2%) | 24 (70.6%) | 1.4 | 0.04 |
| Double resistance | 10 (15.4%) | 9 (26.5%) | 1.7 | 0.18 |
Intermediate strains to clarithromycin were considered as resistant.
RR of resistance in case of treatment failure.
