Table 3.

Effects of antibiotic resistance on Helicobacter pylori eradication

Isolates were defined as resistant to clarithromycin, amoxicillin, tetracycline and metronidazole when the MICs were ≥1, ≥1, ≥4 and ≥8 µg/mL, respectively. An eradication regimen included ^*first-line treatment with PPI, clarithromycin, and amoxicillin, and ^†second-line treatment with bismuth, tetracycline, and metronidazole.