Figure 3 - The odds ratio (95% confidence intervals) for prevalence of H. pylori in patients with esophagitis in North America^{24, 25, 26, 27, 28, 29, 30} and the Far East.^{19, 20, 21, 22, 23}

The large diamonds represent the summary odds ratio for each geographic area. The largest boxes represent studies with large sample sizes. (Source: Pandolfino et al.⁶, with permission from Blackwell Publishers.)