(a)
(b)
Figure 2: Comparison of eradication rates between vonoprazan- (VPZ-) based regimen and proton pump inhibitor- (PPI-) based regimen. Intention-to-treat (a) and per-protocol (b) analyses. Statistical analysis was performed by χ2 test. VPZ group, treatment with vonoprazan, amoxicillin, and clarithromycin; PPI group, treatment with rabeprazole or lansoprazole, amoxicillin, and clarithromycin.