Table 1.
Antibiotic susceptibility of 64 Helicobacter pylori strains isolated from the Dominican Republic
| Antibiotic | Number (%) of resistant isolates from patients | |||||
|---|---|---|---|---|---|---|
| All patients (N = 64) | Gastritis (N = 47) | PUD (N = 16) | GC (N = 1) | Male (N = 19) | Female (N = 45) | |
| AMX | 1 (1.6) | 0 (0.0) | 1 (6.3) | 0 (0.0) | 0 (0.0) | 1 (2.2) |
| CAM | 2 (3.1) | 2 (4.3) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 2 (4.4) |
| MNZ | 53 (82.8) | 40 (85.1) | 12 (75.0) | 1 (100.0) | 16 (84.2) | 37 (82.2) |
| TCN | 0 (0.0) | 0 (0.0) | 0 (0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| LVX | 23 (35.9) | 19 (40.4) | 4 (25.0) | 0 (0.0) | 4 (21.1) | 19 (42.2) |
AMX = amoxicillin; CAM = clarithromycin; GC = gastric cancer; LVX = levofloxacin; MNZ = metronidazole; PUD = peptic ulcer disease; TCN = tetracycline.