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Results obtained with the PCR-RFLP and the 3′-mismatched PCR methods for the clinical isolates tested according to the clarithromycin resistance.
| mutation | Number (%) | Digestion with: BsaΙ/MboΙΙ | 3'mismatch PCR | Cla susceptibility |
|---|---|---|---|---|
| A2143G | 3 (15%) | +/- | - | ClaR |
| A2142G | 11 (55%) | -/+ | - | ClaR |
| A2142C | 6 (30%) | -/- | + | ClaR |
CLa: Clarithromycin, R: Resistant
