Figure 1

Distribution of Helicobacter pylori genotypes among 372 strains isolated from East Asian and Western countries with regard to clinical outcome. PUD (peptic ulcer disease). NUD (non-ulcer dyspepsia). *p = 0.025; OR = 1.84, 95%CI [1.10–3.10]. ^#p = 0.014; OR = 2.2, 95%CI [1.20–3.86]. ^†p = 0.039; OR = 1.8, 95%CI [1.05–3.12].