Table 3.
Comparison of resistance rates based on the number of therapeutic failures.
| N. of failures | ClaR | MzR | LevoR | RR | RRR |
|---|---|---|---|---|---|
| % | % | % | % | % | |
| 1 vs. 2 therapies | 75.7 vs. 85.2 * | 52.2 vs. 70.6 * | 29.1 vs. 45.8 * | 45.7 vs. 65.4 * | 19.7 vs. 38.0 * |
| 2 vs. 3 therapies | 85.2 vs. 90.0 * | 70.6 vs. 80.0 * | 45.8 vs. 46.0 | 65.4 vs. 77.0 | 30.0 vs. 61.5 * |
| 3 vs. 4 therapies | 90.0 vs. 92.0 | 80.0 vs. 85.3 | 46.0 vs. 73.3 * | 77.0 vs. 80.0 | 61.5 vs. 69.3 |
| 4 vs. ≥ 5 therapies | 92.0 vs. 94.5 | 85.3 vs. 91.9 | 73.3 vs. 81.0 | 80.0 vs. 89.1 | 69.3 vs. 75.6 |
* p < 0.05. R: resistant. Cla: clarithromycin. Mz: metronidazole. Levo: levofloxacin. RR: double clarithromycin-metronidazole resistance. RRR: triple clarithromycin-metronidazole-levofloxacin resistance.