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- Title
Persistent infection of Helicobacter pylori affects weight loss in obese population compared with persistent negative: A case‐control study based on healthy Chinese.
- Authors
Zhang, Jinshun; Chen, Yahong; Chen, Weiling; Xu, Hongfang; Wang, Huihong; Chen, Lijuan; Ye, Yafei; Wang, Zhongtai; Ye, Juanjuan
- Abstract
Background: The relationship between Helicobacter pylori (H pylori) and body mass index (BMI) is still inconclusive. Not only the high rate of H pylori infection but also the increasing higher BMI levels are endangering Chinese today. Methods: The aim of this research was to evaluate the association between different situations of H pylori infection and BMI values or levels in Chinese healthy population. A total of 39 091 individuals aged from 18 years to 80 years, performed healthy examination including a 13C/14C urease breath test (13C/14C‐UBT), were included. Among them, 30 224 individuals only had one time of health examination, and 8867 had two or more times. A case‐cohort data of 8752 with an interval time more than 6 months, collected by the first and the last time, were established from the latter. BMI groups are classified according to the China recommendation: low weight (<18.5 kg/m2), normal weight (18.5 ~ 23.9 kg/m2), overweight (24.0 ~ 27.9 kg/m2), and obesity (≥28.0 kg/m2). Results: The rate of H pylori infection among low weight, normal weight, overweight, and obesity was 43.2%, 44.7%, 46.4%, and 48.0%, respectively (P =.000). H pylori infection increased the risk of higher level of BMI (OR = 1.077, 95% confidence interval = 1.036‐1.119, χ2 = 14.048, P =.000) with adjustments for sex and age. In the case‐control study, the rate of persistent negative, persistent infection, new infection, and eradicated infection was 39.5%, 25.8%, 15.8%, and 18.9%, respectively, with a median interval time of 13 months. The mean obesity BMI descend values in the persistent negative subgroup were lower than those in the persistent infection subgroup (−0.21 ± 1.19 kg/m2 vs −0.003 ± 1.01 kg/m2, P =.021). But the change of BMI classifications had no difference between the subgroups of H pylori infection in different BMI levels. Conclusions: H pylori infection was positively correlated with higher BMI levels. And H pylori persistent infection had a negative effect on the fall of BMI values in Chinese obese population.
- Subjects
CHINA; HELICOBACTER pylori infections; DUODENAL ulcers; CHINESE people; BODY mass index; CASE-control method; OBESITY; PERIODIC health examinations
- Publication
Helicobacter, 2020, Vol 25, Issue 4, p1
- ISSN
1083-4389
- Publication type
Article
- DOI
10.1111/hel.12697