Table 3.
Multiple patterns of resistance of H. pylori strains to all tested antibiotics
| Resistance Profiles, N (%) | Untreated group | Re-treated group | Recurrence group | All | P (untreated vs re-treated) |
|---|---|---|---|---|---|
| n = 1014 | n = 98 | n = 4 | n = 1116 | ||
| All susceptible | 151 (14.9) | 2 (2.0) | 0 | 153 (13.7) | 0.001 |
| Mono resistance | 484 (47.7) | 26 (26.5) | 1 (25.0) | 511 (44.8) | 0.01 |
| MNZ | 429 (42.3) | 20 (20.4) | 1 (25.0) | 450 (40.3) | 0.01 |
| CAM | 26 (2.6) | 6 (6.1) | 0 | 32 (2.9) | 0.090 |
| LVX | 28 (2.8) | 0 | 0 | 28 (2.5) | 0.184 |
| Dual resistance | 277 (27.3) | 35 (35.7) | 2 (50.0) | 314 (28.1) | 0.077 |
| CAM+MNZ | 102 (10.1) | 25 (25.5) | 2 (50.0) | 129 (11.6) | 0.01 |
| LVX+MNZ | 160 (15.8) | 9 (9.2) | 0 | 169 (15.1) | 0.082 |
| CAM+LVX | 12 (1.2) | 1 (1.0) | 0 | 13 (1.2) | 1.00 |
| FUR+LVX | 3 (0.3) | 0 | 0 | 3 (0.3) | 1.00 |
| Triple resistance | 102 (10.1) | 34 (34.7) | 1 (25.0) | 137 (12.3) | 0.01 |
| CAM+LVX+MNZ | 99 (9.8) | 34 (34.7) | 1 (25.0) | 134 (12.0) | 0.01 |
| LVX+FUR+MNZ | 2 (0.2) | 0 | 0 | 2 (0.2) | 1.00 |
| CAM+TCN+MNZ | 1 (0.1) | 0 | 0 | 1 (0.1) | 1.00 |
| Quadruple resistance | 0 | 1 (1.0) | 0 | 1 (0.1) | 0.004 |
| CAM+LVX+AMX+MNZ | 0 | 1 (1.0) | 0 | 1 (0.1) | 0.004 |
AMX, amoxicillin; CAM, clarithromycin; LEV, levofloxacin; MNZ, metronidazole; TCN, tetracycline; FUR, furazolidone.