Persistent Helicobacter pylori infection leads to elevated fasting plasma glucose level: A retrospective cohort study based on a nondiabetes Chinese population.

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The relationship between Helicobacter pylori (H. pylori) and fast plasma glucose (FPG) on nondiabetes populations is still inconclusive. Nowadays, not only the high infection rate of H. pylori but also the high FPG level is threatening the Chinese people. A retrospective cohort study has been established to analyze the relationship between H. pylori infection and FPG level, 18164 individuals performed healthy examination in Taizhou Hospital Health Examination Center from 2017 to 2022 were included, and hematological indicators, body parameters, and H. pylori detection by 13 C-urea breath test were collected from patients. The follow-up intervals were greater than 12months. H. pylori infection was regarded as an independent risk factor for elevated FPG after multivariate logistic regression. Additionally, the average interval time were 33.6±13.3months. Mean changed FPG values in the persistent infection group were higher than in the subgroup of persistent negative (P=0.029) as well as eradication infection (P=0.007). The aforementioned changes began to appear after 2years of follow-up. Similarly, when compared with the subgroup of persistent infection, mean changed triglyceride/high density lipoprotein (TG/HDL) values were much lower in the subgroup of persistent negative (P=0.008) and eradication infection (P=0.018), but the differences appeared after 3years of follow-up. H. pylori infection is an independent risk factor for elevated FPG in non-diabetes mellitus (DM) individuals. Persistent H. pylori infection causes an increase in FPG level and TG/HDL, which may be a risk factor for diabetes mellitus.