Decreasing prevalence of Helicobacter pylori according to birth cohorts in urban China

Systematic review with meta‐analysis: the worldwide prevalence of Helicobacter pylori infection

“…The relationship between gender and H. pylori infection has been controversial in previous studies . By our analysis, no significant difference was observed between the two genders in worldwide H. pylori prevalence.…”

Epidemiology of Helicobacter pylori infection

“…Similar trends are seen in China where in Hangzhou the positivity rates were 14.8%, 20.2%, and 25.8% in 3‐6, 7‐11, and 12‐17 years age groups, respectively, with the overall prevalence decreasing from 21.6% to 17.2% between 2007 and 2014. In adults undergoing health checks in urban China, the prevalence fell from 31.9% in the 1950‐1959 birth cohort down to 20% in those born after 1990. This decrease correlated with the increase in per capita gross domestic product.…”

Screening for Helicobacter pylori Infection among Asymptomatic University Students in Alexandria, Egypt, Using Non Invasive Laboratory Techniques

“…[ Table 1] The relationship between gender and H. pylori infection has been controversial in other studies (Yordanov et al, 2017, Yu et al, 2017. A systematic review with meta-analysis carried out in 2018 reported that no significant difference was observed between the two genders in worldwide H. pylori prevalence (Zamani et al, 2018).…”