Table 1 Antibiotic resistance of 123 H. pylori isolates from Vietnam
Susceptibility Phenotype | n | % (95% CI) |
|---|---|---|
Susceptibility to all antimicrobials | 14 | 11.3 (6.53; 18.53) |
Resistance to at least one antimicrobial | 110 | 88.7 (81.4; 93.4) |
 MTZ | 97 | 78.2 (69.7; 84.9) |
 LVX | 28 | 22.5 (15.7; 31.1) |
 AMX | 17 | 13.7 (8.4; 21.3) |
 CLA | 54 | 43.5 (34.7; 52.7) |
Single drug resistance | 49 | 39.5 (30.9; 48.7) |
 MTZ only | 40 | 32.2 (24.3; 41.3) |
 CLR only | 7 | 5.6 (2.5; 11.7) |
 LVX only | 1 | 0.8 (0.0; 5.0) |
 AMX only | 1 | 0.8 (0.0; 5.0) |
Multidrug resistance | 61 | 49.2 (40.1; 58.2) |
 LVX + MTZ | 11 | 8.8 (4.7; 15.6) |
 AMX + LVX + MTZ | 1 | 0.8 (0.0; 5.0) |
 CLR + LVX + MTZ | 11 | 8.8 (4.7; 15.6) |
 AMX + CLR + LVX + MTZ | 4 | 3.2 (1.0; 8.5) |
 AMX + MTZ | 2 | 1.6 (0.2; 6.2) |
 CLA + MTZ | 23 | 18.5 (12.3; 26.7) |
 AMX + CLA | 4 | 3.2 (1.0; 8.5) |
 AMX + CLA + MTZ | 5 | 4.0 (1.4; 9.6) |