Effectiveness of Second through Sixth Line Salvage Helicobacter pylori Treatment: Bismuth Quadruple Therapy is Almost Always a Reasonable Choice

Figure 5

Per protocol (PP) and intention to treat (ITT) eradication of the different regimens as defined in Table 1. (ITT or PP) for bismuth quadruple versus other combined proton pump inhibitor (PPI) triple therapies (PAL, PAC, and PMC, risk difference: 25% (PP, 95% CI: 13–37) and 22% (ITT, 95% CI: 10–35)).