Trends in the eradication rates of Helicobacter pylori infection for eleven years

Figure 1 Flow of the study. ¹Inappropriate indications for Helicobacter pylori (H. pylori) eradication: Stomach cancer operation or chemotherapy. PAC: Proton pump inhibitor b.i.d. + amoxicillin 1 g b.i.d. + clarithromycin 500 mg; PBMT: Proton pump inhibitor b.i.d + tripotassium dicitrate bismuthate 300 mg q.i.d. + metronidazole 500 mg t.i.d. + tetracycline 500 mg q.i.d.

Figure 2 Efficacy of 2 wk first-line (a dotted line) proton pump inhibitor b. i.d. + amoxicillin 1 g b.i.d. + clarithromycin 500 mg and 1 wk second-line (a solid line) bismuth-containing quadruple therapy for the eradication of Helicobacter pylori by year.