Table 1.

The prevalence of Helicobacter pylori infection between Bangladeshi and Japanese patients -matched for age, gender and endoscopic diagnosis

Prevalence	n	Age (Mean)	Sex ratio
Bangladeshi	415	36.2	203 : 212
Japanese	415	36.1	203 : 212

McNemar's test p < .0001.

When compared between Bangladeshi and Japanese patients matched for age, gender, and endoscopic diagnosis, the prevalence of H. pylori infection was 60.2% in Bangladeshis and 45.1% in Japanese and was thus significantly higher in Bangladeshis than in Japanese (p < .0001).